Meckel's cartilage

Meckel's cartilage
Meck·el's cartilage 'mek-əlz- n the cartilaginous bar of the embryonic mandibular arch of which the distal end ossifies to form the malleus and most of the rest disappears in development, with the part adjacent to the malleus being replaced by fibrous membrane comprising the sphenomandibular ligament and the connective tissue covering most of the remaining part ossifying to form much of the mandible J. F. Meckel the Younger see MECKEL-GRUBER SYNDROME

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a cartilaginous bar in the fetus around which the mandible develops. Part of Meckel's cartilage develops into the malleus (an ear ossicle) in the adult.
J. F. Meckel, the Younger (1781-1833), German anatomist

Medical dictionary. 2011.

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  • Meckel's cartilage — Meckelian Meck*e li*an, a. (Anat.) Pertaining to, or discovered by, J. F. Meckel, a German anatomist. [1913 Webster] {Meckelian cartilage}, the cartilaginous rod which forms the axis of the mandible; called also {Meckel s cartilage}. [1913… …   The Collaborative International Dictionary of English

  • Meckel's cartilage — a cartilaginous bar in the fetus around which the mandible develops. Part of Meckel s cartilage develops into the malleus (an ear ossicle) in the adult. [F. Meckel, the Younger (1781–1833), German anatomist] …   The new mediacal dictionary

  • Meckel's cartilage — the functional lower jaw of Elasmobranchii and Holocephali, the embryonic lower jaw of other gnathostomous vertebrates which ossifies at least in part as the mentomeckelian, mediomeckelian, coronomeckelian, articular and retroarticular. It… …   Dictionary of ichthyology

  • meckel's cartilage — ˈmekəlz noun Usage: usually capitalized M Etymology: after Johann F. Meckel died 1833 German anatomist : the cartilaginous axis of the mandibular arch forming no part of the jawbone but sometimes giving rise to the articular and the bones of the… …   Useful english dictionary

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  • Cartilage — Firm, rubbery tissue that cushions bones at joints. A more flexible kind of cartilage connects muscles with bones and makes up other parts of the body, such as the larynx and the outside parts of the ears. * * * A connective tissue characterized… …   Medical dictionary