Olfactory trigone

Olfactory trigone
	Scheme of rhinencephalon. (Olfactory trigone not labeled, but region is visible at bottom left, between anterior perforated substance and olfactory tract.)
	Human brainstem anterior view. (Olfactory trigone is #4, at upper right)
Details
Identifiers
Latin	trigonum olfactorium
NeuroNames	34
NeuroLex ID	birnlex_4042
TA	A14.1.09.432
FMA	74883
	Anatomical terms of neuroanatomy

The olfactory trigone is a small triangular area in front of the anterior perforated substance.

Its apex, directed forward, occupies the posterior part of the olfactory sulcus, and is brought into view by throwing back the olfactory tract.

It is part of the olfactory pathway.[1]

References

This article incorporates text in the public domain from page 827 of the 20th edition of Gray's Anatomy (1918)

Samudralwar DL, Diprete CC, Ni BF, Ehmann WD, Markesbery WR (June 1995). "Elemental imbalances in the olfactory pathway in Alzheimer's disease". J. Neurol. Sci. 130 (2): 139–45. doi:10.1016/0022-510X(95)00018-W. PMID 8586977.

Atlas image: n1a8p1 at the University of Michigan Health System - "Interpeduncular fossa" (#7)

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