Olfactory trigone
Encyclopedia
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.
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Anterior perforated substance
The anterior perforated substance is an irregularly quadrilateral area in front of the optic tract and behind the olfactory trigone, from which it is separated by the fissure prima; medially and in front, it is continuous with the subcallosal gyrus; it is bounded laterally by the lateral stria of...
.
Its apex, directed forward, occupies the posterior part of the olfactory sulcus
Olfactory sulcus
The medial orbital gyrus presents a well-marked antero-posterior sulcus, the olfactory sulcus, for the olfactory tract.-Additional images:...
, and is brought into view by throwing back the olfactory tract
Olfactory tract
The olfactory tract is a bundle of axons connecting the mitral and tufted cells of the olfactory bulb to several target regions in the brain, including piriform cortex, amygdala, and entorhinal cortex...
.
It is part of the olfactory pathway.
External links
- "Interpeduncular fossaInterpeduncular fossa
The Interpeduncular fossa is a somewhat lozenge-shaped area of the base of the brain, limited in front by the optic chiasma, behind by the antero-superior surface of the pons, antero-laterally by the converging optic tracts, and postero-laterally by the diverging cerebral peduncles.The structures...
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