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Pertaining to both larynx and trachea; as, the laryngotracheal cartilage in the frog.

The expanded upper end of the windpipe or trachea, connected with the hyoid bone or cartilage. It contains the vocal cords, which produce the voice by their vibrations, when they are stretched and a current of air passes between them. The larynx is connected with the pharynx by an opening, the glottis, which, in mammal…

A tough band or plate of dense, fibrous, connective tissue or fibrocartilage serving to unite bones or form joints.

Pertaining to, or discovered by, J. F. Meckel, a German anatomist. Meckelian cartilage, the cartilaginous rod which forms the axis of the mandible; -- called also Meckel's cartilage.

An interarticular synovial cartilage or membrane; esp., one of the intervertebral synovial disks in some parts of the vertebral column of birds. Converging meniscus, Diverging meniscus. See Lens.

The bone or cartilage forming the anterior extremity of the lower jaw in some adult animals and the young of others.

The middle one of the three principal basal cartilages in the fins of fishes. -- Me*sop`ter*yg"i*al, a.

The posterior of the three principal basal cartilages in the fins of fishes. -- Me*tap`ter*yg"i*al, a.

An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebræ and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm.

ound in the mouth of most mollusks, except bivalves. It consists of several muscles and a cartilage which supports a chitinous radula, or lingual ribbon, armed with teeth. Also applied to the radula alone. See Radula.

rojects forward from between the clavicles in many batrachians and is usually tipped with cartilage.

Capable of producing bone; having the power to change cartilage or other tissue into bone.

the growth of an animal, by which inorganic material (mainly lime salts) is deposited in cartilage or membrane, forming bony tissue; ostosis.

Pertaining to the palatine and pterygoid region of the skull; as, the palatopterygoid cartilage, or rod, from which the palatine and pterygoid bones are developed.

A parachordal cartilage.

Near or beside the ethmoid bone or cartilage; -- applied especially to a pair of bones in the nasal region of some fishes, and to the ethmoturbinals in some higher animals. -- n.

Of or pertaining to the perichondrium; situated around cartilage.

The membrane of fibrous connective tissue which closely invests cartilage, except where covering articular surfaces.

A delicate bar of cartilage connecting the dorsal and ventral extremities of the first pair of bronchial cartilages in the syrinx of birds.

A pharyngeal bone or cartilage; especially, one of the lower pharyngeals, which belong to the rudimentary fifth branchial arch in many fishes, or one of the upper pharyngeals, or pharyngobranchials, which are the dorsal elements in the complete branchial arches.