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Superficial fascia

Fascia
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The rectus sheath, an example of a fascia.
Details
Precursor mesenchyme
Identifiers
Latin fascia
MeSH D005205
FMA 30318
Anatomical terminology
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A fascia (/ˈfæʃə/, /ˈfæʃiə/; plural fasciae /ˈfæʃ.i/; 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.


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