Vertebrate: alternatives and connections

That group of vertebrates which develops in its embryonic life the envelope called the amnion. It comprises the reptiles, the birds, and the mammals.

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Of or pertaining to the Amphibia; as, amphibian reptiles.

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Orig., a chicken; the young of a fowl; a young eaglet; a nestling; and hence, a feathered flying animal (see 2).

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The young or embryo of an animal in the womb, or in the egg; often restricted to the later stages in the development of viviparous and oviparous anim…

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Same as Fetus.

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One of the Mammalia.

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Of or pertaining to the Mammalia or mammals.

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Creeping; moving on the belly, or by means of small and short legs.

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Belonging to the reptiles.

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An insect characterized by having but four perfect legs, as certain of the butterflies.

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That part of the human body which extends downward from the breast to the thighs, and contains the bowels, or intestines; the abdomen.

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A large box of wood, or other material, having, like a trunk, a lid, but no covering of skin, leather, or cloth.

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A rib of an animal or a human being.

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A poetical foot of three sylables (-- ~ ~), one long followed by two short, or one accented followed by two unaccented; as, L. tegm/n/, E. mer\b6cifu…

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One of the terminal divisions of a limb appendage; a finger or toe.

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The breast of a bird.

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One of the curved bones attached to the vertebral column and supporting the lateral walls of the thorax.

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Limitation; abridgment.

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The part of the trunk between the neck and the abdomen, containing that part of the body cavity the walls of which are supported by the dorsal verteb…

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Destitute of a backbone; having no vertebrae; of or pertaining to the Invertebrata.

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Destitute of a backbone; having no vertebrae; of or pertaining to the Invertebrata.

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