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Quebracho :: Quebracho (n.) A Chilian apocynaceous tree (Aspidosperma Quebracho); also, its bark, which is used as a febrifuge, and for dyspn/a of the lung, or bronchial diseases; -- called also white quebracho, to distinguish it from the red quebracho, a Mexican anacardiaceous tree (Loxopterygium Lorentzii) whose bark is said to have similar properties..

Cheiropterygium :: Cheiropterygium (n.) The typical pentadactyloid limb of the higher vertebrates.

Ceratodus :: Ceratodus (n.) A genus of ganoid fishes, of the order Dipnoi, first known as Mesozoic fossil fishes; but recently two living species have been discovered in Australian rivers. They have lungs so well developed that they can leave the water and breathe in air. In Australia they are called salmon and baramunda. See Dipnoi, and Archipterygium..

Ichthyopterygium :: Ichthyopterygium (n.) The typical limb, or lateral fin, of fishes..

Archi- :: Archi- () A prefix signifying chief, arch; as, architect, archiepiscopal. In Biol. and Anat. it usually means primitive, original, ancestral; as, archipterygium, the primitive fin or wing..

Propterygium :: Propterygium (n.) The anterior of three principal cartilages in the fins of some fishes.

Web :: Web (n.) Pterygium; -- called also webeye.

Mesopterygium :: Mesopterygium (n.) The middle one of the three principal basal cartilages in the fins of fishes.

Metapterygium :: Metapterygium (n.) The posterior of the three principal basal cartilages in the fins of fishes.

Archipterygium :: Archipterygium (n.) The primitive form of fin, like that of Ceratodus..

Pterygiums :: Pterygiums (pl. ) of Pterygiu.

Pterygium :: Pterygium (n.) A superficial growth of vascular tissue radiating in a fanlike manner from the cornea over the surface of the eye.

Basipterygium :: Basipterygium (n.) A bar of cartilage at the base of the embryonic fins of some fishes. It develops into the metapterygium.

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