Zoology

Zoology

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Zoology

genus

Biology; Zoology

A category in the classification of plants and animals between species and family; genera- pl.

gastrodermis

Biology; Zoology

In cnidarians, the endodermis which lines the gut cavity. The term is often used instead of endodermis since cnidarians only have two tissue layers instead of three.

exoskeleton

Biology; Zoology

An external, often hard, covering or integument that provides support and protection to the body.

esophagus

Biology; Zoology

That portion of the gut which connects the pharynx to the stomach.

Layer of cells which lines a body cavity; cells may be ciliated or unciliated, and may be squamous (flat, scale-shaped), cuboidal (cube-shaped), or columnar (column-shaped). Your stomach and cheeks ...

epidermis

Biology; Zoology

The outermost layer of cells or skin. This tissue often contains specialized cells for defense, gas exchange, or secretion.

endoderm

Biology; Zoology

The innermost basic layer of tissue in those animals with true tissues. Forms the gut and its derivatives: in vertebrates, these include the liver, trachea, and lungs.