Definition of vertebra

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Vertebra (n.) One of the central ossicles in each joint of the arms of an ophiuran.

Lern More About Vertebra

Pneumoskeleton :: Pneumoskeleton (n.) A chitinous structure which supports the gill in some invertebrates.
Malacozoa :: Malacozoa (n. pl.) An extensive group of Invertebrata, including the Mollusca, Brachiopoda, and Bryozoa. Called also Malacozoaria..
Procoelia :: Procoelia (n. pl.) A division of Crocodilia, including the true crocodiles and alligators, in which the dorsal vertebrae are concave in front..
Homogangliate :: Homogangliate (a.) Having the ganglia of the nervous system symmetrically arranged, as in certain invertebrates; -- opposed to heterogangliate..
Predorsal :: Predorsal (a.) Situated in front of the back; immediately in front, or on the ventral side the dorsal part of the vertebral column..
Urostyle :: Urostyle (n.) A styliform process forming the posterior extremity of the vertebral column in some fishes and amphibians.
Vertebral :: Vertebral (n.) A vertebrate.
Testa :: Testa (n.) The external hard or firm covering of many invertebrate animals.
Sauropsida :: Sauropsida (n. pl.) A comprehensive group of vertebrates, comprising the reptiles and birds..
Amphibia :: Amphibia (n. pl.) One of the classes of vertebrates.
Epizoon :: Epizoon (n.) One of the artificial group of invertebrates of various kinds, which live parasitically upon the exterior of other animals; an ectozoon. Among them are the lice, ticks, many acari, the lerneans, or fish lice, and other crustaceans..
Opisthocoelous :: Opisthocoelous (a.) Concave behind; -- applied especially to vertebrae in which the anterior end of the centrum is convex and the posterior concave.
Haematocrya :: Haematocrya (n. pl.) The cold-blooded vertebrates. Same as Hematocrya.
Urosacral :: Urosacral (a.) Of or pertaining to both the caudal and sacral parts of the vertebral column; as, the urosacral vertebrae of birds..
Ocellus :: Ocellus (n.) A little eye; a minute simple eye found in many invertebrates.
Prespinal :: Prespinal (a.) Prevertebral.
Epineural :: Epineural (a.) Arising from the neurapophysis of a vertebra.
Isospondylous :: Isospondylous (a.) Of or pertaining to the Isospondyli; having the anterior vertebrae separate and normal.
Heterocercal :: Heterocercal (a.) Having the vertebral column evidently continued into the upper lobe of the tail, which is usually longer than the lower one, as in sharks..
Opisthomi :: Opisthomi (n. pl.) An order of eellike fishes having the scapular arch attached to the vertebrae, but not connected with the skull..
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