Semen - wikipedia Semen For other uses, see Semen ( disambiguation ). Spermatozoa, in this case human, are a primary component in normal semen, and the agents of fertilization of the female ova Semen, also known as seminal fluid, is an organic fluid that may contain spermatozoa. It is secreted by the gonads ( sexual glands ) and other sexual organs of male or hermaphroditic animals and can fertilize female ova. In humans, seminal fluid contains several components besides spermatozoa : proteolytic and other enzymes as well as fructose are elements of seminal fluid which promote the survival of spermatozoa, and provide a medium through which they can move or `` swim ''. Semen is produced and originates from the seminal vesicle, which is located in the pelvis. The process that results in the discharge of semen is called ejaculation. Semen is also a form of genetic material. In animals, semen has been collected for cryoconservation. Cryoconservation of animal genetic resources is a practice that calls for the collection of genetic material in efforts for conservation of a particular breed. Contents 1 Physiology 1.1 Fertilization 1.2 Human semen 1.2. 1 Composition 1.2. 2 Appearance and consistency 1.3 Quality 1.4 Quantity 1.4. 1 Increasing semen volume 1.5 Storage 2 Health 2.1 Disease transmission 2.2 Blood in semen ( hematospermia ) 2.3 Semen allergy 2.4 Benefits to females 3 Society and culture 3.1 Qigong 3.2 Greek philosophy 3.3 Sacred semen 3.4 Semen in espionage 3.5 Ingestion 3.5. 1 Cultural practices 3.5. 2 Spiritual views 3.5. 3 Sexual practices 3.6 Euphemisms 4 See also 5 References 6 External links Physiology Fertilization Depending on the species, spermatozoa can fertilize ova externally or internally. In external fertilization, the spermatozoa fertilize the ova directly, outside of the female 's sexual organs. Female fish, for example, spawn ova into their aquatic environment, where they are fertilized by the semen of the male fish. During internal fertilization, however, fertilization occurs inside the female 's sexual organs. Internal fertilization takes place after insemination of a female by a male through copulation. In most vertebrates, including amphibians, reptiles, birds and monotreme mammals, copulation is achieved through the physical mating of the cloaca of the male and female. In marsupial and placental mammals, copulation occurs through the vagina. Human semen Composition During the process of ejaculation, sperm passes through the ejaculatory ducts and mixes with fluids from the seminal vesicles, the prostate, and the bulbourethral glands to form the semen. The seminal vesicles produce a yellowish viscous fluid rich in fructose and other substances that makes up about 70 % of human semen. The prostatic secretion, influenced by dihydrotestosterone, is a whitish ( sometimes clear ), thin fluid containing proteolytic enzymes, citric acid, acid phosphatase and lipids. The bulbourethral glands secrete a clear secretion into the lumen of the urethra to lubricate it. Sertoli cells, which nurture and support developing spermatocytes, secrete a fluid into seminiferous tubules that helps transport sperm to the genital ducts. The ductuli efferentes possess cuboidal cells with microvilli and lysosomal granules that modify the ductal fluid by reabsorbing some fluid. Once the semen enters the ductus epididymis the principal cells, which contain pinocytotic vessels indicating fluid reabsorption, secrete glycerophosphocholine which most likely inhibits premature capacitation. The accessory genital ducts, the seminal vesicle, prostate glands, and the bulbourethral glands, produce most of the seminal fluid. Seminal plasma of humans contains a complex range of organic and inorganic constituents. The seminal plasma provides a nutritive and protective medium for the spermatozoa during their journey through the female reproductive tract. The normal environment of the vagina is a hostile one for sperm cells, as it is very acidic ( from the native microflora producing lactic acid ), viscous, and patrolled by immune cells. The components in the seminal plasma attempt to compensate for this hostile environment. Basic amines such as putrescine, spermine, spermidine and cadaverine are responsible for the smell and flavor of semen. These alkaline bases counteract and buffer the acidic environment of the vaginal canal, and protect DNA inside the sperm from acidic denaturation. The components and contributions of semen are as follows : Gland ( s ) Approximate fraction Description testes 2 -- 5 % Approximately 200 - to 500 - million spermatozoa ( also called sperm or spermatozoans ), produced in the testes, are released per ejaculation. If a man has undergone a vasectomy, he will have no sperm in the ejaculation. seminal vesicles 65 -- 75 % amino acids, citrate, enzymes, flavins, fructose ( 2 -- 5 mg per mL semen, the main energy source of sperm cells, which rely entirely on sugars from the seminal plasma for energy ), phosphorylcholine, prostaglandins ( involved in suppressing an immune response by the female against the foreign semen ), proteins, vitamin C prostate 25 -- 30 % acid phosphatase, citric acid, fibrinolysin, prostate specific antigen, proteolytic enzymes, zinc ( the zinc level is about 135 ± 40 micrograms / ml for healthy men. Zinc serves to help to stabilize the DNA - containing chromatin in the sperm cells. A zinc deficiency may result in lowered fertility because of increased sperm fragility. Zinc deficiency can also adversely affect spermatogenesis. ) bulbourethral glands < 1 % galactose, mucus ( serve to increase the mobility of sperm cells in the vagina and cervix by creating a less viscous channel for the sperm cells to swim through, and preventing their diffusion out of the semen. Contributes to the cohesive jelly - like texture of semen. ), pre-ejaculate, sialic acid A 1992 World Health Organization report described normal human semen as having a volume of 2 ml or greater, pH of 7.2 to 8.0, sperm concentration of 20 × 10 spermatozoa / ml or more, sperm count of 40 × 10 spermatozoa per ejaculate or more, and motility of 50 % or more with forward progression ( categories a and b ) of 25 % or more with rapid progression ( category a ) within 60 minutes of ejaculation. A 2005 review of the literature found that the average reported physical and chemical properties of human semen were as follows : Property Per 100 mL In average volume ( 3.4 mL ) Calcium ( mg ) 27.6 0.938 Chloride ( mg ) 142 4.83 Citrate ( mg ) 528 18.0 Fructose ( mg ) 272 9.25 Glucose ( mg ) 102 3.47 Lactic acid ( mg ) 62 2.11 Magnesium ( mg ) 11 0.374 Potassium ( mg ) 109 3.71 Protein ( g ) 5.04 0.171 Sodium ( mg ) 300 10.2 Urea ( mg ) 45 1.53 Zinc ( mg ) 16.5 0.561 Buffering capacity ( β ) 25 Osmolarity ( mOsm ) 354 pH 7.7 Viscosity ( cP ) 3 -- 7 Volume ( mL ) 3.4 Values for average volume have been calculated and rounded to three significant figures. All other values are those given in the review. Appearance and consistency Human semen in a petri dish Semen is typically translucent with white, grey or even yellowish tint. Blood in the semen can cause a pink or reddish colour, known as hematospermia, and may indicate a medical problem which should be evaluated by a doctor if the symptom persists. After ejaculation, the latter part of the ejaculated semen coagulates immediately, forming globules, while the earlier part of the ejaculate typically does not. After a period typically ranging from 15 -- 30 minutes, prostate - specific antigen present in the semen causes the decoagulation of the seminal coagulum. It is postulated that the initial clotting helps keep the semen in the vagina, while liquefaction frees the sperm to make their journey to the ova. A 2005 review found that the average reported viscosity of human semen in the literature was 3 -- 7 cP. Quality Main article : Semen quality Semen quality is a measure of the ability of semen to accomplish fertilization. Thus, it is a measure of fertility in a man. It is the sperm in the semen that is the fertile component, and therefore semen quality involves both sperm quantity and sperm quality. Quantity The volume of semen ejaculate varies but is generally about 1 teaspoonful or less. A review of 30 studies concluded that the average was around 3.4 milliliters ( ml ), with some studies finding amounts as high as 5.0 ml or as low as 2.3 ml. In a study with Swedish and Danish men, a prolonged interval between ejaculations caused an increase of the sperm count in the semen but not an increase of its amount. Increasing semen volume Some dietary supplements have been marketed with claims to increase seminal volume. Like other supplements, including so - called herbal viagra, these are not approved or regulated by the Food and Drug Administration ( as licensed medications would be ), and none of the claims have been scientifically verified. Similar claims are made about traditional aphrodisiac foods, with an equal lack of verification. Storage Semen can be stored in diluents such as the Illini Variable Temperature ( IVT ) diluent, which have been reported to be able to preserve high fertility of semen for over seven days. The IVT diluent is composed of several salts, sugars and antibacterial agents and gassed with CO. Semen cryopreservation can be used for far longer storage durations. For human sperm, the longest reported successful storage with this method is 21 years. Health Disease transmission Semen can transmit many sexually transmitted diseases and pathogens, including viruses like HIV and Ebola. Swallowing semen carries no additional risk other than those inherent in fellatio. This includes transmission risk for sexually transmitted diseases such as human papillomavirus ( HPV ) or herpes, especially for people with bleeding gums, gingivitis or open sores. Viruses in semen survive for a long time once outside the body. Blood in semen ( hematospermia ) Main article : Hematospermia The presence of blood in semen or hematospermia may be undetectable ( it only can be seen microscopically ) or visible in the fluid. Its cause could be the result of inflammation, infection, blockage, or injury of the male reproductive tract or a problem within the urethra, testicles, epididymis or prostate. It usually clears up without treatment, or with antibiotics, but if persistent further semen analysis and other urogenital system tests might be needed to find out the cause. Semen allergy In rare circumstances, humans can develop an allergy to semen, called human seminal plasma sensitivity. It appears as a typical localized or systemic allergic response upon contact with seminal fluid. There is no one protein in semen responsible for the reaction. Symptoms can appear after first intercourse or after subsequent intercourse. A semen allergy can be distinguished from a latex allergy by determining if the symptoms disappear with use of a condom. Desensitization treatments are often very successful. Benefits to females Females may benefit from absorbing seminal fluid. Such benefits include male insects transferring nutrients to females via their ejaculate ; in both humans and bovines the fluid has antiviral and antibacterial properties ; and useful bacteria such as Lactobacillus have been detected in fluid transferred from birds and mammals. Society and culture Qigong Qigong and Chinese medicine place huge emphasis on a form of energy called 精 ( pinyin : jīng, also a morpheme denoting `` essence '' or `` spirit '' ) -- which one attempts to develop and accumulate. `` Jing '' is sexual energy and is considered to dissipate with ejaculation so masturbation is considered `` energy suicide '' amongst those who practice this art. According to Qigong theory, energy from many pathways / meridians becomes diverted and transfers itself to the sexual organs during sexual excitement. The ensuing orgasm and ejaculation will then finally expel the energy from the system completely. The Chinese proverb 一滴 精, 十 滴 血 ( pinyin : yì dī jīng, shí dī xuè, literally : a drop of semen is equal to ten drops of blood ) illustrates this point. The scientific term for semen in Chinese is 精液 ( pinyin : jīng yè, literally : fluid of essence / jing ) and the term for sperm is 精子 ( pinyin : jīng zǐ, literally : basic element of essence / jing ), two modern terms with classical referents. Greek philosophy In Ancient Greece, Aristotle remarked on the importance of semen : `` For Aristotle, semen is the residue derived from nourishment, that is of blood, that has been highly concocted to the optimum temperature and substance. This can only be emitted by the male as only the male, by nature of his very being, has the requisite heat to concoct blood into semen. '' According to Aristotle, there is a direct connection between food and semen : `` Sperms are the excretion of our food, or to put it more clearly, as the most perfect component of our food. '' The connection between food and physical growth, on the one hand, and semen, on the other, allows Aristotle to warn against `` engag ( ing ) in sexual activity at too early an age... ( since ) this will affect the growth of their bodies. Nourishment that would otherwise make the body grow is diverted to the production of semen. Aristotle is saying that at this stage the body is still growing ; it is best for sexual activity to begin when its growth is ' no longer abundant ', for when the body is more or less at full height, the transformation of nourishment into semen does not drain the body of needed material. '' Additionally, `` Aristotle tells us that the region round the eyes was the region of the head most fruitful of seed ( '' most seedy '' σπερματικώτατος ), pointing to generally recognised effects upon the eyes of sexual indulgence and to practices which imply that seed comes from liquid in the region of the eyes. '' This may be explained by the belief of the Pythagoreans that `` semen is a drop of the brain ( τὸ δε σπέρμα εἶναι σταγόνα ἐγκέφαλου ). '' Greek Stoic philosophy conceived of the Logos spermatikos ( `` seminal word '' ) as the principle of active reason that fecundated passive matter. The Jewish philosopher Philo similarly spoke in sexual terms of the Logos as the masculine principle of reason that sowed seeds of virtue in the feminine soul. The Christian Platonist Clement of Alexandria likened the Logos to physical blood as the `` substance of the soul '', and noted that some held `` that the animal semen is substantially foam of its blood ''. Clement reflected an early Christian view that `` the seed ought not be wasted nor scattered thoughtlessly nor sown in a way it can not grow. '' Women were believed to have their own version, which was stored in the womb and released during climax. Retention was believed to cause female hysteria. In Ancient Greek Religion as a whole, semen is considered a form of miasma, and ritual purification was to be practised after its discharge. Sacred semen In some pre-industrial societies, semen and other body fluids were revered because they were believed to be magical. Blood is an example of such a fluid, but semen was also widely believed to be of supernatural origin and effect and was, as a result, considered holy or sacred. Dew was once thought to be a sort of rain that fertilized the earth and, in time, became a metaphor for semen. The Bible employs the term `` dew '' in this sense in such verses as Song of Solomon 5 : 2 and Psalm 110 : 3, declaring, in the latter verse, for example, that the people should follow only a king who was virile enough to be full of the `` dew '' of youth. It was widely believed in ancient times that gemstones were drops of divine semen which had coagulated after having fertilized the earth. There is an ancient Chinese belief that jade, in particular, was the dried semen of the celestial dragon. Based on the resemblance of dandelion juice to human semen, it was historically believed that the flower magically promoted the flow of sperm. This belief possibly derives from the doctrine of signatures. The orchid 's twin bulbs were thought to resemble the testicles, which is the etymology of the disease orchiditis. There was an ancient Roman belief that the flower sprang from the spilled semen of copulating satyrs. In primitive mythology around the world, semen is very often considered analogous to breast milk in some way. In the traditions of Bali, it is considered to be the returning or refunding of the milk of the mother in an alimentary metaphor. The wife feeds her husband who returns to her his semen, the milk of human kindness, as it were. In some systems of medical philosophy, such Herbert Nowell 's `` vital force '' theory, semen is regarded as the product of a complex physiological interaction between a man and a woman, rather than merely the product of the male reproductive system. Semen in espionage Semen stain on carpet observed with and without ultraviolet light When the British Secret Intelligence Service discovered that semen made a good invisible ink, Sir George Mansfield Smith - Cumming noted of his agents that `` Every man ( is ) his own stylo ''. Ingestion Cultural practices In some cultures, semen is considered to have special properties associated with masculinity. Several tribes of Papua New Guinea, including the Sambia and the Etoro, believe that semen promotes sexual maturation among the younger men of their tribe. To them, semen possesses the manly nature of the tribal elders, and in order to pass down their authority and powers, younger men of their next generation must fellate their elders and ingest their semen. Prepubescent and postpubescent males are required to engage in this practice. This act may also be associated with the culturally active homosexuality throughout these and other tribes. Spiritual views The church father Epiphanius records that the Borborites and other libertine Gnostic sects consumed semen as the Body of Christ. The Pistis Sophia and Testimony of Truth harshly condemn such practices. In the modern St. Priapus Church, consumption of semen in the presence of others is a form of worship. Sexual practices There are several sexual practices involving the ingestion of semen. They can be done with one or more partners, like snowballing, felching and creampie eating, or with multiple partners, like the practices of bukkake and gokkun, which originate from Japan. Euphemisms A huge variety of euphemisms and dysphemisms have been invented to describe semen. For a complete list of terms, see sexual slang. Common slang terms for semen include cum, jizz, spunk ( primarily British English ), spooge and / or splooge, load, nut, and less commonly, love juice. The term cum sometimes also refers to an orgasm, while load is derived from the phrase blowing a load, referring to an ejaculation. See also Health and fitness portal Medicine portal Sexuality portal Cum shot Milt Semen extender Sperm donation Spermadhesin Spermatozoon Vaginal lubrication References ^ Jump up to : Mann, T ( 1954 ). `` The Biochemistry of Semen ''. London : Methuen & Co ; New York : John Wiley & Sons. Retrieved November 9, 2013. Jump up ^ Guyton, Arthur C. ( 1991 ). Textbook of Medical Physiology ( 8th ed. ). Philadelphia : W.B. Saunders. pp. 890 -- 891. ISBN 0 - 7216 - 3994 - 1. Jump up ^ Harvey, Clare ( 1948 ). `` Relation between the Volume and Fructose Content of Human Semen ''. Nature. 162 ( 4125 ) : 812. doi : 10.1038 / 162812a0. PMID 18121921. Jump up ^ Canale, D. ; Bartelloni, M. ; Negroni, A. ; Meschini, P. ; Izzo, P.L. ; Bianchi, B. ; Menchini - Fabris, G.F. ( 1986 ). `` Zinc in human semen ''. International Journal of Andrology. 9 ( 6 ) : 477 -- 80. doi : 10.1111 / j. 1365 - 2605.1986. tb00909. x. PMID 3570537. Jump up ^ World Health Organization ( 2003 ). Laboratory Manual for the Examination of Human Semen and Semen -- Cervical Mucus Interaction, 4th edition. Cambridge, UK : Cambridge University Press. p. 60. ISBN 0 - 521 - 64599 - 9. Retrieved November 9, 2013. ^ Jump up to : Owen, D.H. ; Katz, DF ( 2005 ). `` A Review of the Physical and Chemical Properties of Human Semen and the Formulation of a Semen Simulant ''. Journal of Andrology. 26 ( 4 ) : 459 -- 69. doi : 10.2164 / jandrol. 04104. PMID 15955884. Jump up ^ `` HealthCentral.com - Trusted, Reliable and Up To Date Health Information ''. Retrieved 30 December 2016. ^ Jump up to : Gallup, Gordon G ; Burch, Rebecca L ( 2004 ). `` ( Semen Displacement as a Sperm Competition Strategy in Humans ) ''. Evolutionary Psychology. 2 ( 5 ) : 12 -- 23. Retrieved January 10, 2012. Jump up ^ Dean, Dr. John. `` Semen and sperm quality ''. Retrieved December 7, 2006. Jump up ^ Baker, R ( 1993 ). `` Human sperm competition : Ejaculate adjustment by males and the function of masturbation ''. Animal Behaviour. 46 ( 5 ) : 861. doi : 10.1006 / anbe. 1993.1271. Jump up ^ Balk, S.P. ; Ko, YJ ; Bubley, GJ ( 2003 ). `` Biology of Prostate - Specific Antigen ''. Journal of Clinical Oncology. 21 ( 2 ) : 383 -- 91. doi : 10.1200 / JCO. 2003.02. 083. PMID 12525533. Jump up ^ Richthoff, J. ; Rylander, L ; Hagmar, L ; Malm, J ; Giwercman, A ( 2002 ). `` Higher sperm counts in Southern Sweden compared with Denmark ''. Human Reproduction. 17 ( 9 ) : 2468 -- 73. doi : 10.1093 / humrep / 17.9. 2468. PMID 12202443. ^ Jump up to : Watson, PF ( 1993 ). `` The potential impact of sperm encapsulation technology on the importance of timing of artificial insemination : A perspective in the light of published work ''. Reproduction, Fertility and Development. 5 ( 6 ) : 691 -- 9. doi : 10.1071 / RD9930691. PMID 9627729. Jump up ^ `` Child born after 21 year semen storage using Planer controlled rate freezer '' ( Press release ). Planer. Retrieved August 23, 2013. ^ Jump up to : Poiani, Aldo ( July 2006 ). `` Complexity of Seminal Fluid : A Review ''. Behavioral Ecology and Sociobiology. 60 ( 3 ) : 295 -- 296. Retrieved April 25, 2017. Jump up ^ `` Doctors sweat over whether Ebola positive man spread virus - Times of India ''. Retrieved 30 December 2016. Jump up ^ Rosenthal, Sara. The Gynecological Sourcebook, McGraw - Hill Professional, 2003, ISBN 0 - 07 - 140279 - 9 p151 Jump up ^ Dianne Hales ( 2008 ). An Invitation to Health Brief 2010 - 2011. Cengage Learning. pp. 269 -- 271. ISBN 0495391921. Retrieved July 13, 2014. Jump up ^ Bernstein, Jonathan A. ( 2011 ). `` Human Seminal Plasma Hypersensitivity : An Under - Recognized Women 's Health Issue ''. Postgraduate Medicine. doi : 10.3810 / pgm. 2011.01. 2253. Jump up ^ Sublett, J. Wesley ; Bernstein, Jonathan A. ( 2011 ). `` Seminal Plasma Hypersensitivity Reactions : An Updated Review ''. Mount Sinai Journal of Medicine. doi : 10.1002 / msj. 20283. Jump up ^ Qigong Bible, Chapter # 8, by Gary J. Clyman. Contribution To Clyman 's Book by Frank Ranz, January 1989 Jump up ^ `` Home ''. hunyuantaijiacademy.com. Archived from the original on September 30, 2007. Retrieved February 5, 2012. Jump up ^ Salmon, J.B. ; L. Foxhall ( 1998 ). Thinking Men : Masculinity and Its Self - representation in the Classical Tradition. Routledge. p. 158. Jump up ^ Sumathipala, A. ( 2004 ). `` Culture - bound syndromes : The story of dhat syndrome ''. The British Journal of Psychiatry. 184 ( 3 ) : 200 -- 9. doi : 10.1192 / bjp. 184.3. 200. PMID 14990517. Jump up ^ Aristotle ( 1997 ). Politics. Richard Kraut ( trans. ). Oxford UP. p. 152. ISBN 978 - 0 - 19 - 875114 - 4. Retrieved November 9, 2013. Jump up ^ Onians, R.B. ( 1951 ). The Origins of European Thought. Cambridge. p. 203. ISBN 0 - 405 - 04853 - X. Jump up ^ Diogenes Laertius, Life of Pythagoras, 19. Archived 2016 - 04 - 06 at the Wayback Machine. Smith, Justin E.H. ( 2006 ). The Problem of Animal Generation in Early Modern Philosophy. Montreal : Concordia University. p. 5. ISBN 978 - 0 - 511 - 21763 - 0. Retrieved 2015 - 10 - 24. Jump up ^ Tripolitis, Antonia ( 2002 ). Religions of the Hellenistic - Roman Age. Wm. B. Eerdmans Publishing. pp. 37 -- 38. ISBN 0 - 8028 - 4913 - X. Jump up ^ `` And when she ( intelligence ) lives as a comely wife with comely Reason ( Logos ), that is with virtuous Reason, this self - same Reason himself undertakes the care of her, sowing, like a husband, the most excellent concepts in her. '' Philo, De Spec. Leg., § 7. Mead, G.R.S ( 1906 ). `` Philo of Alexandria and the Hellenistic Theology ''. Thrice Greatest Hermes : Studies in Hellenistic Theosophy and Gnosis. I. London and Benares : The Theosophical Publishing Society. p. 222. ISBN 0 - 87728 - 947 - 6. Jump up ^ `` And that the blood is the Word, is testified by the blood of Abel, the righteous interceding with God. '' Clement of Alexandria, The Paedagogus, 1, 47. Jump up ^ Cf. Leviticus 17 : 14 ; Clement of Alexandria, The Paedagogus, 1, 39. Jump up ^ Clement of Alexandria, The Paedagogus, 1, 48. Jump up ^ Clement of Alexandria, The Paedagogus, 2, 91. See also : Onan. Jump up ^ Roach, Mary ( 2009 ). Bonk : the curious coupling of science and sex. New York : W.W. Norton & Co. p. 214. ISBN 9780393334791. Jump up ^ Parker, Robert. 1996. Miasma : Pollution and Purification in Early Greek Religion. Oxford University Press. Jump up ^ Song of Solomon 5 : 2 KJV - I sleep, but my heart waketh : it is the Bible Gateway Jump up ^ Psalm 110 : 3 KJV - Thy people shall be willing in the day Bible Gateway Jump up ^ Walker, Barbara ( October 19, 1988 ). The Woman 's Dictionary of Symbols and Sacred Objects ( Trade PB ). San Francisco : HarperSanFrancisco. p. 576. ISBN 0 - 06 - 250923 - 3. Retrieved February 23, 2007. Jump up ^ Bellows, Laura J. ( 2003 ). Personhood, procreative fluids, and power : re-thinking hierarchy in Bali. OCLC 224223971. Jump up ^ The Independent review of The Quest for C : Mansfield Cumming and the founding of the British Secret Service by Alan Judd Jump up ^ Robert T. Francoeur, Raymond J. Noonan ( 2004 ) The Continuum Complete International Encyclopedia of Sexuality p. 819 Jump up ^ Hank Hyena ( September 16, 1999 ). `` Semen Warriors Of New Guinea ''. Archived from the original on 2015 - 04 - 20. Jump up ^ Herdt, Gilbert ( editor ) ( January 28, 1993 ). Ritualized Homosexuality in Melanesia. University of California Press. ISBN 0 - 520 - 08096 - 3. CS1 maint : Extra text : authors list ( link ) Jump up ^ Epiphanius, Panarion, 26, 4. Jump up ^ I.e., the Simonians ; Epiphanius, Panarion, 21, 4. Jump up ^ `` We have heard that there are men on the earth who take the sperm of men and the flux of women, and mix them with lentils and eat them, saying, ' We believe in Esau and Jacob ' '' ( 386 -- 387 ). Mead, G.R.S ( 1896 ). Pistis Sophia. London : The Theosophical Publishing Society. p. 390. ISBN 1 - 4179 - 1276 - 6. Retrieved November 9, 2013. Jump up ^ Meyer, Marvin ( 2007 ). `` The Testimony of Truth ''. The Nag Hammadi Scriptures. trans. Birger A. Pearson. Harper Collins. p. 624. ISBN 978 - 0 - 06 - 052378 - 7. Jump up ^ J. Gordon Melton ( 1996, 5th ed. ). Encyclopedia of American Religions ( Detroit, Mich. : Gale ) ISBN 0 - 8103 - 7714 - 4 p. 952. Jump up ^ NG Hatfield ( 31 May 2008 ). `` Proper Use of Ejaculatory Slang : Male Finishing School, Part I ''. Points in Case. Retrieved 1 December 2016. Jump up ^ Rafik, Amal. Passion Masters : Sex Secrets of a Forbidden Cult. Google Books : Blue Moon Books. ISBN 978 - 1562012007. External links Wikimedia Commons has media related to Semen. Grizard, G ; Sion, B ; Bauchart, D ; Boucher, D ( 2000 ). `` Separation and quantification of cholesterol and major phospholipid classes in human semen by high - performance liquid chromatography and light - scattering detection ''. Journal of Chromatography B. 740 ( 1 ) : 101 -- 7. doi : 10.1016 / S0378 - 4347 ( 00 ) 00039 - 6. PMID 10798299. SUNY Podcast -- Semen study results Hyena, Hank ( August 21, 2000 ). `` The quest for sweet semen ''. Salon.com. 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Question: why does seminal fluid have a high content of​ sugar
Answer: the main energy source of sperm cells, which rely entirely on sugars from the seminal plasma for energy), phosphorylcholine, prostaglandins (involved in suppressing an immune response by the female against the foreign semen), proteins, vitamin C