Meckel's cartilage is the bilaterally paired, rod-like, cartilaginous ventral component of the lower jar, or ventral mandibular arch. It is typically resorbed in adults.
Comment:
[homology-note] "In all jawed vertebrates, including fish, the first pharyngeal arch generates the jaw apparatus. The neural crest cells of this arch migrate to form Meckel's cartilage, the precursor of the jaw.[well established][VHOG]" xsd:string {date_retrieved="2012-09-17", external_class="VHOG:0000249", ontology="VHOG", source="ISBN:978-0878932504 Gilbert SF, Developmental Biology (2006) p.16-17", source="http://bgee.unil.ch/"}; [taxon-note] "functional lower jaw of Elasmobranchii and Holocephali, the embryonic lower jaw of other gnathostomous vertebrates" xsd:string {source="http://www.briancoad.com"}