athymia

[ ə-thīmē-ə ]

n.

The absence of emotion; morbid impassivity.
The absence of the thymus gland or the suppression of its secretion.athymism
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.