Ammon's horn

(redirected from Ammons horn)

Am·mon's horn

(ah'mŏn), [TA]
one of the two interlocking gyri composing the hippocampus, the other being the dentate gyrus. Based on cytoarchitectural features, Ammon horn can be divided into region I [TA] (regio I cornus ammonis [TA]), region II [TA] (regio II cornus ammonis [TA]), region III [TA] (regio III cornus ammonis [TA]), and region IV [TA] (regio IV cornus ammonis [TA]).
Synonym(s): cornu ammonis
[G. Ammōn, the Egyptian deity Amūn]
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hippocampus

A limbic system structure located in the temporal lobe of the cerebral cortex.
 
Function
Processing short-term memory, encoding explicit memories for long-term storage, controlling autonomic functions, emotional expression, subjective experience, behavioural expression of affect.

Affected in
Anxiety, bipolarity, depression, panic, post-traumatic stress disorder.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

Am·mon's horn

(am'ŏnz hōrn)
One of the two interlocking gyri comprising the hippocampus, the other being the dentate gyrus. Based on cytoarchitectural features, Ammon's horn can be divided into region I (regio I cornus ammonis [TA]), region II (regio II cornus ammonis [TA]), region III (regio III cornus ammonis [TA]), and region IV (regio IV cornus ammonis [TA]).
Synonym(s): cornu ammonis [TA] .
[G. Ammōn, the Egyptian deity Amūn]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012