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Zoological terms

Terms in relation to animals, such as mammals, birds, reptiles or fish.

Contributors in Zoological terms

Zoological terms

Invagination

Zoology; Zoological terms

The vegetal hemisphere of the blastula grows inwards forming a pouchlike space, it opens to the exterior through the blastopore

Hermaphrodites

Zoology; Zoological terms

The presence in one individual of both ovarian and testicula tissue

Holotrich

Zoology; Zoological terms

Typically with uniform body ciliation, but variable (subclass of Ciliates)

Gland

Zoology; Zoological terms

A group of cells organised into a descrete secretory organ

Gonad

Zoology; Zoological terms

An animal reproductive organ that generates gametes

Autonomic nervous system

Zoology; Zoological terms

The part of the vertebrate nervous system that is made up of the motor neurons that innervate the animal's internal organs and that are in most cases not voluntarily controlled by the animal.

Aves

Zoology; Zoological terms

A taxonomic group (class) of vertebrates, also known commonly as 'birds', whose distinguishing characteristics include feathers, endothermy, and the production of amiotic eggs.

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