ego

ego definition - medical

e·go (ēˈgō, ĕgˈō)

noun
In psychoanalytic theory, the division of the psyche that is conscious, most immediately controls thought and behavior, and mediates between the person and external reality.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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