Fibrocartilage

Fibrocartilage

Infobox Anatomy
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Caption = White fibrocartilage from an intervertebral fibrocartilage.


Caption2 = Symphysis pubis exposed by a coronal section. (Pubic symphysis visible at center left.)
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White fibrocartilage consists of a mixture of white fibrous tissue and cartilaginous tissue in various proportions; to the former of these constituents it owes its flexibility and toughness, and to the latter its elasticity. It is the only type of cartilage that contains type I collagen in addition to the normal type II.

When examined under the microscope it is found to be made up of fibrous connective tissue arranged in bundles, with cartilage cells between the bundles; the cells to a certain extent resemble tendon cells or dense irregular connective tissue, but may be distinguished from them by being surrounded by a concentrically striated area of cartilage matrix, their lacunae, and by being less flattened.

Fibrocartilage is found in the pubic symphysis, intervertebral discs, meniscus, TMJ and annulus fibrosus. During labor, relaxin loosens the pubic symphesis to aid in delivery, but this can lead to later joint problems.

The white fibrocartilages admit of arrangement into four groups—interarticular, connecting, circumferential, and stratiform.

ee also

* Cartilage

External links

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Look at other dictionaries:

  • Fibrocartilage — Fi bro*car ti*lage, n. [L. fibra a fiber + E. cartilage.] (Anat.) A kind of cartilage with a fibrous matrix and approaching fibrous connective tissue in structure. {Fi bro*car ti*lag i*nous}, a. [1913 Webster] …   The Collaborative International Dictionary of English

  • fibrocartilage — ● fibrocartilage nom masculin Cartilage riche en collagène dense et pauvre en cellules cartilagineuses, s observant notamment au niveau des disques intervertébraux et des ménisques …   Encyclopédie Universelle

  • Fibrocartilage callus — A fibrocartilage callus is a temporary formation of fibroblasts and chondroblasts which forms at the area of a bone fracture as the bone attempts to heal itself. The cells eventually dissipate and become dormant, lying in the resulting… …   Wikipedia

  • fibrocartilage — cartilage containing collagen fibres, e.g. the ventral intermandibular tendon of the cownose ray (Rhinoptera bonasus) makes a sharp turn as it passes dorsally around the corner of the jaws and there is a fibrocartilaginous pad associated with the …   Dictionary of ichthyology

  • fibrocartilage — fibrocartilaginous /fuy broh kahr tl aj euh neuhs/, adj. /fuy broh kahr tl ij, kahrt lij/, n. Anat., Zool. 1. a type of cartilage having a large number of fibers. 2. a part or structure composed of such cartilage. [1825 35; FIBRO + CARTILAGE] * * …   Universalium

  • fibrocartilage — noun A tough form of cartilage that has a matrix of dense bundles of fibres …   Wiktionary

  • fibrocartilage — A variety of cartilage that contains visible type I collagen fibers; appears as a transition between tendons or ligaments or bones. SYN: fibrocartilago. basilar f. SYN: basilar cartilage. circumferential f. a ring of f. around the articular end… …   Medical dictionary

  • fibrocartilage — n. fibrous cartilage …   English contemporary dictionary

  • fibrocartilage — fi·bro·cartilage …   English syllables

  • fibrocartilage — n. a tough kind of cartilage in which there are dense bundles of fibres in the matrix. It is found in the intervertebral discs and pubic symphysis …   The new mediacal dictionary

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