Fascia - wikipedia Fascia For other uses, see Fascia ( disambiguation ). This article is about the human body. For the ideology, see Fascism. Fascia The rectus sheath, an example of a fascia. Details Precursor mesenchyme Identifiers Latin fascia MeSH D005205 FMA 30318 Anatomical terminology ( edit on Wikidata ) A fascia ( / ˈfæʃ ( i ) ə / ; plural fasciae / ˈfæʃii / ; adjective fascial ; from Latin : `` band '' ) is a band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs. Fascia is classified by layer, as superficial fascia, deep fascia, and visceral or parietal fascia, or by its function and anatomical location. Like ligaments, aponeuroses, and tendons, fascia is made up of fibrous connective tissue containing closely packed bundles of collagen fibers oriented in a wavy pattern parallel to the direction of pull. Fascia is consequently flexible and able to resist great unidirectional tension forces until the wavy pattern of fibers has been straightened out by the pulling force. These collagen fibers are produced by fibroblasts located within the fascia. Fasciae are similar to ligaments and tendons as they have collagen as their major component. They differ in their location and function : ligaments join one bone to another bone, tendons join muscle to bone, and fasciae surround muscles and other structures. Contents 1 Structure 1.1 Superficial fascia 1.2 Visceral fascia 1.3 Deep fascia 2 Function 3 Clinical significance 3.1 Anatomical compartments 4 See also 5 References 6 External links Structure There exists some controversy about what structures are considered `` fascia '', and how fascia should be classified. The two most common systems are : The one specified in the 1983 edition of Nomina Anatomica ( NA 1983 ) The one specified in the 1997 edition of Terminologia Anatomica ( TA 1997 ) NA 1983 TA 1997 Description Example Superficial fascia ( not considered fascia in this system ) This is found in the subcutis in most regions of the body, blending with the reticular layer of the dermis. Fascia of Scarpa Deep fascia Fascia of muscles This is the dense fibrous connective tissue that interpenetrates and surrounds the muscles, bones, nerves and blood vessels of the body. Transverse fascia Visceral fascia Visceral fascia, parietal fascia This suspends the organs within their cavities and wraps them in layers of connective tissue membranes. Pericardium Superficial fascia Superficial fascia is the lowermost layer of the skin in nearly all of the regions of the body, that blends with the reticular dermis layer. It is present on the face, over the upper portion of the sternocleidomastoid, at the nape of the neck, and overlying the breastbone. It consists mainly of loose areolar, and fatty adipose connective tissue and is the layer that primarily determines the shape of a body. In addition to its subcutaneous presence, superficial fascia surrounds organs and glands, neurovascular bundles, and is found at many other locations where it fills otherwise unoccupied space. It serves as a storage medium of fat and water ; as a passageway for lymph, nerve and blood vessels ; and as a protective padding to cushion and insulate. Superficial fascia is present, but does not contain fat, in the eyelid, ear, scrotum, penis and clitoris. Due to its viscoelastic properties, superficial fascia can stretch to accommodate the deposition of adipose that accompanies both ordinary and prenatal weight gain. After pregnancy and weight loss, the superficial fascia slowly reverts to its original level of tension. Visceral fascia Visceral fascia ( also called subserous fascia ) suspends the organs within their cavities and wraps them in layers of connective tissue membranes. Each of the organs is covered in a double layer of fascia ; these layers are separated by a thin serous membrane. The outermost wall of the organ is known as the parietal layer The skin of the organ is known as the visceral layer. The organs have specialized names for their visceral fasciae. In the brain, they are known as meninges ; in the heart they are known as pericardia ; in the lungs, they are known as pleurae ; and in the abdomen, they are known as peritonea. Visceral fascia is less extensible than superficial fascia. Due to its suspensory role of the organs, it needs to maintain its tone rather consistently. If it is too lax, it contributes to organ prolapse, yet if it is hypertonic, it restricts proper organ motility. Deep fascia Main article : Deep fascia Deep fascia is a layer of dense fibrous connective tissue which surrounds individual muscles, and also divide groups of muscles into fascial compartments. This fascia has a high density of elastin fibre that determines its extensibility or resilience. Deep fascia was originally considered to be essentially avascular. However, more recent investigations confirmed a rich presence of thin blood vessels. Deep fascia is also richly supplied with sensory receptors. Examples of deep fascia are fascia lata, fascia cruris, brachial fascia, plantar fascia, thoracolumbar fascia and Buck 's fascia. Function Fasciae were traditionally thought of as passive structures that transmit mechanical tension generated by muscular activities or external forces throughout the body. An important function of muscle fasciae is to reduce friction of muscular force. In doing so, fasciae provide a supportive and movable wrapping for nerves and blood vessels as they pass through and between muscles. Fascial tissues are frequently innervated by sensory nerve endings. These include myelinated as well as unmyelinated nerves. Based on this a proprioceptive, nociceptive as well as interoceptive function of fascia has been postulated. Fascial tissues - particularly those with tendinous or aponeurotic properties - are also able to store and release elastic potential energy. Clinical significance Fascia becomes important clinically when it loses stiffness, becomes too stiff or has decreased shearing ability. When inflammatory fasciitis or trauma causes fibrosis and adhesions, fascial tissue fails to differentiate the adjacent structures effectively. This can happen after surgery where the fascia has been incised and healing includes a scar that traverses the surrounding structures. Anatomical compartments Main article : Fascial compartment A fascial compartment is a section within the body that contains muscles and nerves and is surrounded by fascia. In the human body, the limbs can each be divided into two segments -- the upper limb can be divided into the arm and the forearm and the sectional compartments of both of these -- the fascial compartments of the arm and the fascial compartments of the forearm contain an anterior and a posterior compartment. Likewise, the lower limbs can be divided into two segments -- the leg and the thigh and these contain the fascial compartments of the leg and the fascial compartments of the thigh. A fasciotomy may be used to relieve compartment syndrome as a result of high pressure within a fascial compartment. See also This article uses anatomical terminology ; for an overview, see Anatomical terminology. Clavipectoral fascia Endothoracic fascia Extracellular matrix Interstitial cell Pectoral fascia Thoracolumbar fascia References ^ Jump up to : Marieb, Elaine Nicpon ; Hoehn, Katja ( 2007 ). Human anatomy & physiology. Pearson Education. p. 133. ISBN 978 - 0 - 321 - 37294 - 9. Jump up ^ Committee on Anatomical Termi, Federative. Terminologia Anatomica : International Anatomical Terminology. Thieme Stuttgart. p. 33. ISBN 3 - 13 - 114361 - 4. Jump up ^ Skandalakis, John E. ; Skandalakis, P.N. ; Skandalakis, L.J. ; Skandalakis, J. ( 2002 ). Surgical Anatomy and Technique, 2nd Ed. Atlanta, GA : Springer. pp. 1 -- 2. ISBN 0 - 387 - 98752 - 5. Jump up ^ Skandalakis, John E. ; Skandalakis, P.N. ; Skandalakis, L.J. ; Skandalakis, J. ( 2002 ). Surgical Anatomy and Technique, 2nd Ed. Atlanta, GA : Springer. pp. 1 -- 2. ISBN 0 - 387 - 98752 - 5. Jump up ^ Paoletti, Serge ( 2006 ). The Fasciae : Anatomy, Dysfunction & Treatment. Seattle, WA : Eastland Press. pp. 23 -- 24. ISBN 0 - 939616 - 53 - X. Jump up ^ Hedley, Gil ( 2005 ). The Integral Anatomy Series Vol. 1 : Skin and Superficial fascia. Jump up ^ Norman Eizenberg, General Anatomy : Principles and Applications ( 2008 ), p 70. Jump up ^ Hedley, Gil ( 2005 ). The Integral Anatomy Series Vol. 3 : Cranial and Visceral Fasciae ( DVD ). Integral Anatomy Productions. Retrieved 2006 - 07 - 17. Jump up ^ Paoletti, Serge ( 2006 ). The Fasciae : Anatomy, Dysfunction & Treatment. Seattle, WA : Eastland Press. pp. 146 -- 147. ISBN 0 - 939616 - 53 - X. Jump up ^ Hedley, Gil ( 2005 ). The Integral Anatomy Series Vol. 2 : Deep Fascia and Muscle ( DVD ). Integral Anatomy Productions. Retrieved 2006 - 07 - 17. Jump up ^ Stecco, Carla ( 2015 ). Functional Atlas of the Human Fascial System. Edinburgh, UK : Churchilll Livingstone Elsevier. p. 59. ISBN 978 - 0 - 7020 - 4430 - 4. Jump up ^ Schleip, Robert ( 2003 ). `` Fascial plasticity -- a new neurobiological explanation : Part 1 ''. Journal of Bodywork and Movement Therapies. 7 ( 1 ) : 11 -- 9. doi : 10.1016 / S1360 - 8592 ( 02 ) 00067 - 0. Jump up ^ Faller, A. ; Schuenke, M. ( 2004 ). The Human Body. Thieme Medical Publishers. p. 127. Jump up ^ Schleip R `` Fascia as an organ of communication ''. In : Schleip R, et al. `` Fascia - the tensional network of the human body '', Elsevier Ltd, Edinburgh 2012, pages 77 - 112. Jump up ^ `` Clinical relevance of fascial tissue and dysfunctions ''. Curr Pain Headache Rep. 18 ( 8 ) : 439. 2014. doi : 10.1007 / s11916 - 014 - 0439 - y. PMID 24962403. External links Wikimedia Commons has media related to Fascia. Look up fascia in Wiktionary, the free dictionary. Fascia Research lesson1layersofbody at The Anatomy Lesson by Wesley Norman ( Georgetown University ) Muscular system Tissue Muscle tissue Cardiac muscle Skeletal muscle Smooth muscle Fascia Superficial Deep Visceral Fascial compartment Tendon / Aponeurosis Shape Fusiform Pennate muscle Unipennate Bipennate Other Anatomical terms of muscle Origin Insertion List of muscles of the human body Composite muscle Retrieved from `` https://en.wikipedia.org/w/index.php?title=Fascia&oldid=849355024 '' Categories : Fascia Connective tissue Talk Contents About Wikipedia Català Dansk Deutsch Español Esperanto فارسی Français Galego 한국어 हिन्दी Italiano עברית Қазақша Latina Lietuvių Nederlands 日本 語 Norsk Polski Português Русский Suomi Svenska Tagalog Українська 中文 18 more Edit links This page was last edited on 8 July 2018, at 12 : 19 ( UTC ). Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. 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Question: a thin sheet of fibrous connective tissue that holds down and stabilizes structures is called
Answer: fascia