Hypothalamus

Question 1

Boundaries

Answer 1

Posterior: Interpeduncular
fossa (extends to a vertical
plane post. to mamillary
bodies
Anterior: Optic chiasm,
lamina terminalis, ant
commissure
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Superior: Hypothalamic
sulcus
Inferior: Tuber cinereum
Lateral: Internal capsule

Question 2

Post to lamina
terminalis is …….

Answer 2

Preoptic area

Question 3

Eminence of gray matter
In the floor of 3rd
ventricle

Answer 3

Tuber Cinereum

Question 4

Divisions
Anteroposteriorly

Answer 4

Supraoptic
Tuberal
Mammillary

Question 5

Supraoptic nucleus and para ventricular nucleus are in

Answer 5

Supraoptic region

Question 6

Afferent Connections of Hypothalamus

Answer 6

➢ Medial forebrain bundle
● From olfactory regions
➢ Fornix
➢ Stria terminalis
➢ Thalamohypothalamic fibers
➢ Dorsal long fasciculus and mamillary peduncle
● From spinal cord and brain stem reticular formation
➢ Retino-hypothalamic fibers (tract)
➢ From different regions of cerebral cortex

Question 7

Efferent Connections of Hypothalamus

Answer 7

Mamillo-thalamic tract
➢ Mamillo-tegmental tract
➢ MFB
● Hypothalamo-spinal fibers
➢ DLhypothalamohypophysial fibers