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 vertebrate is as below...

Pes :: Pes (n.) The distal segment of the hind limb of vertebrates, including the tarsus and foot..

Tentacle :: Tentacle (n.) A more or less elongated process or organ, simple or branched, proceeding from the head or cephalic region of invertebrate animals, being either an organ of sense, prehension, or motion..

Mesoderm :: Mesoderm (n.) The middle body layer in some invertebrates.

Notochord :: Notochord (n.) 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 vertebrae and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm..

Testacea :: Testacea (n. pl.) Invertebrate animals covered with shells, especially mollusks; shellfish..

Neurula :: Neurula (n.) An embryo or certain invertebrates in the stage when the primitive band is first developed.

Episternum :: Episternum (n.) A median bone connected with the sternum, in many vertebrates; the interclavicle..

Corneule :: Corneule (n.) One of the corneas of a compound eye in the invertebrates.

Enteropneusta :: Enteropneusta (n. pl.) A group of wormlike invertebrates having, along the sides of the body, branchial openings for the branchial sacs, which are formed by diverticula of the alimentary canal. Balanoglossus is the only known genus. See Illustration in Appendix..

Otolite :: Otolite (n.) One of the small bones or particles of calcareous or other hard substance in the internal ear of vertebrates, and in the auditory organs of many invertebrates; an ear stone. Collectively, the otoliths are called ear sand and otoconite..

Otozoum :: Otozoum (n.) An extinct genus of huge vertebrates, probably dinosaurs, known only from four-toed tracks in Triassic sandstones..

Peristome :: Peristome (n.) The membrane surrounding the mouth of an invertebrate animal.

Fish :: Fish (n.) An oviparous, vertebrate animal usually having fins and a covering scales or plates. It breathes by means of gills, and lives almost entirely in the water. See Pisces..

Exoskeleton :: Exoskeleton (n.) The hardened parts of the external integument of an animal, including hair, feathers, nails, horns, scales, etc.,as well as the armor of armadillos and many reptiles, and the shells or hardened integument of numerous invertebrates; external skeleton; dermoskeleton..

Otocyst :: Otocyst (n.) An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed..

Hypoderma :: Hypoderma (n.) An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids, and some other invertebrates..

Splanchno-skeleton :: Splanchnopleure (n.) The inner, or visceral, one of the two lamellae into which the vertebrate blastoderm divides on either side of the notochord, and from which the walls of the enteric canal and the umbilical vesicle are developed. See Somatopleure..

Uropoetic :: Uropoetic (a.) Of, pertaining to, or designating, a system of organs which eliminate nitrogenous waste matter from the blood of certain invertebrates..

Amphibia :: Amphibia (n. pl.) One of the classes of vertebrates.

Cirrostomi :: Cirrostomi (n. pl.) The lowest group of vertebrates; -- so called from the cirri around the mouth; the Leptocardia. See Amphioxus.

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