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Sagittal Section:. Hypothalamus. Dorsal n. Paraventricular n. (PVN). Dorsomedial n. Posterior n. Lateral (LH). Ventromedial n. (VMH). Post. PVN. Pre - Optic. Ant. VMH. Mammillary Body. Infundibular A. Supraoptic n. Pituitary Gland. Suprachiasmatic n. Paraven.

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Hypothalamus

Sagittal Section:

Hypothalamus

Dorsal n.

Paraventricular n. (PVN)

Dorsomedial n.

Posterior n.

Lateral (LH)

Ventromedial n. (VMH)

Post.

PVN

Pre -

Optic

Ant.

VMH

Mammillary Body

Infundibular A.

Supraoptic n.

Pituitary Gland

Suprachiasmatic n.

Paraven


Hypothalamus

Supraoptic n. + PVN(oxytocin, vasopressin)

Infundibular + PVN + supraoptic n. + VMH

Adrenocorticotropic h. (ACTH) , gonadotropic h., thyroid stim.h. , etc.

Oxytocin, Vasopressin


Hypothalamus

1. Medial forebrain Bundle (MFB): LH to/from Frontal

cortex, n. accumbens, striatum, limbic system

MFB also : DA, NE, 5-HT from midbrain (VTA, Substantia Nigra, Locus

Coeruleus, Raphe n.)

2. Stria Terminalis – Hypothalamus from/to Septum & Amygdala

3. Ventral Amygdala Path - Hypothalamus from/to Amygdala; Amygdala from/to brainstem, prefrontal cortex (for PFC part of MFB)

4. Fornix – Hypothalamus from/to Septum & Hippocampus


Hypothalamus

Extended Limbic System

Cingulum B.

PCC

ACC

Corpus Callosum

* Papez circuit

ILC

Hippocampus

Septum

PLC

Thal

Ant.

NAC

Insula

F

OFC

A

EC

Pyriform C.

Hypothalamus

5-HT NE DA


Hypothalamus

A) sensory/motor relay n.

B) association n.

C) reticulo-cortical n. (intrinsic n.)

Pituitary

Hypothalamus


Hypothalamus

Thalamus

Relay n. - Medial (audition) & lateral (vision) Geniculate B.

Ventral posterior - somatic sensory

Ventrolateral - proprioception

Association n. - Dorsomedial n. - frontal association cortex

Pulvinar n. - posterior association cortex

Intrinsic n. - Medial n. - limbic (dull pain) (Reticolo-cortical) Anterior n. - cingulate cortex