sexually dimorphic nucleus


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Related to sexually dimorphic nucleus: Suprachiasmatic nucleus
A cluster of cells in the preoptic area (SDN:POA) of the hypothalamus, so named as the cluster is linked to sexual behaviour in animals; it is smaller in females than males
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

sexually dimorphic nucleus

A central nervous system nucleus that has different characteristics (e.g., size or number of cells) in males than in females. One well-studied sexually dimorphic nucleus is found in the preoptic region of the hypothalamus.
See also: nucleus
Medical Dictionary, © 2009 Farlex and Partners
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