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antidiuretic hormone, ADH
A pituitary hormone that prevents excessive fluid loss.

It is part of the system maintaining a correct salt and water balance in vertebrates which includes any animal (including humans) with a segmented spinal column and a well-developed brain; for example, a mammal, a bird, a reptile, an amphibian, or a fish.

This entry is located in the following unit: Anatomy and Related Anatomical Terms (page 3)