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Board Review Series - Fix J.D.

Fix J.D. Board Review Series - London, 1995. - 430 p.
Download (direct link): boardreviewseries1995.djvu
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—is considered to be the anatomic substrate underlying behavioral and emo-
tional expression.
-plays a role in feeling, feeding, fighting, fleeing, and undertaking mating
—expresses itself through the hypothalamus via the autonomic nervous sys-
tem (ANS).
A. Major components and connections (Figure 20-3)
-include structures of the telencephalon, diencephalon, and midbrain.

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306 / Neuroanatomy

Telencephalon Parietal operculum and
(neocortex) parainsular cortex
Internal capsule (post, limb)
Diencephalon VPM of thalamus
----Central tegmental tract
Medulla Solitary nucleus

Geniculate ganglion
Solitary tract-----------------f Chorda tympani

© Taste buds (ant.
two-thirds of tongue)
Petrosal ganglion
Taste buds (post,
one-third of tongue)
Nodose ganglion
Taste buds (epiglottis) i- CNX
Figure 20-2. The gustatory pathway. Cranial nerves VII, IX, and X transmit taste (special visceral afferent
[SVA]) information from the anterior two-thirds of the tongue, the posterior one-third of the tongue, and the
epiglottis to the solitary tract and nucleus; from the solitary nucleus via the central tegmental tract to the medial
parabrachial nucleus; and to the ventral posteromedial (VPM) nucleus of the thalamus, hypothalamus, and
amygdaloid complex. The gustatory cortex is located in the parietal operculum and in the parainsular cortex.

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Chapter 20 Olfactory, Gustatory, and Limbic Systems I 3 07

Anterior nucleus of thalamus
Medial forebrain bundle
Anterior commissure Stria medullaris
Habenular nucleus
Septal nuclei
Longitudinal striae
Indusium griseum )
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