Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of pterygium is as below...

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

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..

Pterygiums :: Pterygiums (pl. ) of Pterygiu.

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

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

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..

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

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

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

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

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..

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

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

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