Deep inguinal ring - wikipedia Deep inguinal ring Deep inguinal ring Front of abdomen, showing surface markings for arteries and inguinal canal ( abdominal inguinal ring labeled at lower left ) Details Identifiers Latin Anulus inguinalis profundus TA A04. 5.01. 021 FMA 19927 Anatomical terminology ( edit on Wikidata ) The deep inguinal ring ( internal or deep abdominal ring, abdominal inguinal ring, internal inguinal ring ) is the entrance to the inguinal canal. Contents 1 Location 2 Shape 3 Boundaries 4 Transmission 5 Extensions 6 Additional images 7 See also 8 References 9 External links Location The surface marking of the deep inguinal ring is classically described as half an inch above the midpoint of the inguinal ligament. However, the surface anatomy of the point is disputed. In a recent study it was found to be in a region between the mid-inguinal point ( situated midway between the anterior superior iliac spine and the pubic symphysis ) and the midpoint of the inguinal ligament ( i.e. midway between the anterior superior iliac spine and the pubic tubercle ). Traditionally, either one of these 2 sites was claimed as its location. However, this claim is based upon the study 's dissection of 52 cadavers, and may not reflect the live in vivo anatomy. Some sources state that it is at the layer of the transversalis fascia. Shape It is of an oval form, the long axis of the oval being vertical ; it varies in size in different subjects, and is much larger in the male than in the female. Boundaries It is bounded, above and laterally, by the arched lower margin of the transversalis fascia ; below and medially, by the inferior epigastric vessels. Transmission It transmits the spermatic cord in the male and the round ligament of the uterus in the female. Extensions From its circumference a thin funnel - shaped membrane, the infundibuliform fascia, is continued around the cord and testis, enclosing them in a distinct covering. Additional images The abdominal inguinal ring. The relations of the femoral and abdominal inguinal rings, seen from within the abdomen. Right side. See also Inguinal canal Inguinal hernia Superficial inguinal ring References This article incorporates text in the public domain from page 1315 of the 20th edition of Gray 's Anatomy ( 1918 ) Jump up ^ Susan Standring ( 2004 ). Gray 's Anatomy : The Anatomical Basis of Medicine and Surgery. Churchill - Livingstone. p. 1098. ISBN 0 - 443 - 07168 - 3. Jump up ^ Koliyadan S, Narayan G, Balasekran P ( 2004 ). `` Surface marking of the deep inguinal ring ''. Clin Anat. 17 ( 7 ) : 554 -- 7. doi : 10.1002 / ca. 10257. PMID 15376291. Jump up ^ Kyung Won, PhD. Chung ( 2005 ). Gross Anatomy ( Board Review ). Hagerstown, MD : Lippincott Williams & Wilkins. p. 198. ISBN 0 - 7817 - 5309 - 0. External links Anatomy figure : 36 : 01 - 03 at Human Anatomy Online, SUNY Downstate Medical Center - `` The inguinal canal and derivation of the layers of the spermatic cord. '' Anatomy image : 7362 at the SUNY Downstate Medical Center inguinalregion at The Anatomy Lesson by Wesley Norman ( Georgetown University ) Atlas image : abdo_wall65 at the University of Michigan Health System - `` The Coverings of the Inguinal Canal, External & Internal Oblique & Transversus Abdominis Removed '' The Inguinal Canal and Hernias ( includes diagram at burrill.demon.co.uk ) Muscles and ligaments of abdomen and pelvis Abdominal wall Anterior / lateral Muscle Abdominal external oblique Transverse abdominal Conjoint tendon Rectus sheath rectus abdominis pyramidalis Arcuate line Tendinous intersection Cremaster Abdominal internal oblique Fascia Abdominal fascia panniculus adiposus Fascia of Camper Membranous layer Fascia of Scarpa Transverse fascia Interfoveolar ligament Linea alba Linea semilunaris Inguinal Inguinal triangle Inguinal canal Deep inguinal ring Superficial inguinal ring Intercrural fibers Crura of superficial inguinal ring Inguinal ligament Pectineal ligament Lacunar ligament Reflected ligament Posterior Muscle quadratus lumborum Iliopsoas psoas major psoas minor iliacus Fascia Iliac fascia Iliopectineal arch Pelvis Muscle levator ani iliococcygeus pubococcygeus puborectalis coccygeus rectococcygeus Fascia pelvic fascia Visceral Rectovaginal fascia Rectoprostatic fascia Parietal Obturator fascia Tendinous arch Piriformis fascia floor superior fascia Pubovesical ligament Puboprostatic ligament inferior fascia Anococcygeal body Anatomy portal Retrieved from `` https://en.wikipedia.org/w/index.php?title=Deep_inguinal_ring&oldid=825175183 '' Categories : Wikipedia articles incorporating text from the 20th edition of Gray 's Anatomy ( 1918 ) Abdomen Hidden categories : Pages with unresolved properties Talk Contents About Wikipedia Українська Edit links This page was last edited on 11 February 2018, at 22 : 35. 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Question: mid inguinal point vs midpoint of inguinal ligament
Answer: mid-inguinal point (situated midway between the anterior superior iliac spine and the pubic symphysis)