Medical Dictionary

animal an·i·mal (ān'ə-məl)

  1. A multicellular organism with membranous cell walls of the kingdom Animalia, differing from plants in certain typical characteristics such as capacity for locomotion, nonphotosynthetic metabolism, pronounced response to stimuli, restricted growth, and fixed bodily structure.

  2. An animal organism other than a human, especially a mammal.

  3. A human considered with respect to his or her physical, as opposed to spiritual, nature.

  1. Relating to, characteristic of, or derived from an animal or animals.

  2. Relating to the physical as distinct from the spiritual nature of humans.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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