The Hypothalamus Diencephalon Tween Brain Inter Brain Pars

The Hypothalamus Diencephalon (Tween Brain, Inter Brain): • Pars Dorsalis Diencephali – Dorsal Thalamus – Epithalamus X – Meta thalamus 22/12/2021 1

Hypothalamus • Hypothalamic sulcus • Pars Ventralis Diencephali – Hypothalamus X – Subthalamus 22/12/2021 2

22/12/2021 3

Endocrine - The Hypothalamus 3 12/22/2021 The Hypothalamus 4

Endocrine - The Hypothalamus 1. Corpus Callosum 2. Fornix 3. Hypothalamic sulcus 4. Epithalamus --- Pineal Gland 5. Hypothalamus --- Pituitary Gland 6. Body of the Sphenoid – Air Sinus 7. Sub arachnoid Space & Cisterns 12/22/2021 The Hypothalamus 5

Endocrine - The Hypothalamus 3 12/22/2021 The Hypothalamus 6

22/12/2021 Brain Inferior Aspect, Hind Brain Removed, Midbrain Section 7

22/12/2021 8 Section Through Mid Brain

Endocrine - The Hypothalamus 3 12/22/2021 The Hypothalamus 9

Endocrine - The Hypothalamus 3 12/22/2021 The Hypothalamus 10

Endocrine - The Hypothalamus 3 12/22/2021 The Hypothalamus 11

Endocrine - The Hypothalamus 3 12/22/2021 The Hypothalamus 12

Endocrine - The Hypothalamus 3 Preoptic N The Preoptic area is responsible for: 1. Thermoregulation 2. Thirst 3. Controls Copulation 4. Implicated in Parental Care 12/22/2021 The Hypothalamus 13

Endocrine - The Hypothalamus 3 Suprachiasmatic N Controls Circadian Rhythms Medial (Ventral Dorsal) 1. Feeding, 2. Drinking, 3. Body-weight Regulation, 4. Circadian Activity, 12/22/2021 The Hypothalamus 14

Endocrine - The Hypothalamus 3 5. Fear, 6. Thermoregulation, 7. Sexual Activity Para Ventricular: 1. Stressful Physiological Changes 2. Regulate Appetite 3. Autonomic Functions in the Brainstem & Spinal Cord. 12/22/2021 The Hypothalamus 15