from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One of a pair of small round bodies, located on the undersurface of the human brain, that act as a relay for impulses coming from the amygdalae and hippocampi to the thalamus, and (as part of the diencephalon) form part of the limbic system.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. one of two small round structures on the undersurface of the brain that form the terminals of the anterior arches of the fornix
From mammillary ("resembling a breast or nipple") + body. (Wiktionary)
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