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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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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
Supraoptic n. + PVN(oxytocin, vasopressin) Infundibular + PVN + supraoptic n. + VMH Adrenocorticotropic h. (ACTH) , gonadotropic h., thyroid stim.h. , etc. Oxytocin, Vasopressin
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
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
A) sensory/motor relay n. B) association n. C) reticulo-cortical n. (intrinsic n.) Pituitary 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