Neuro: interpeduncular fossa

Question 1

Boundaries of Interpeduncular fossa

Answer 1

• Anteriorly: Optic chiasma
• Antero-laterally: Optic tract
• Postero-laterally: Cerebral peduncles (of midbrain)
• Posteriorly: upper border of pons

Question 2

Enumerate contents of Interpedundcular fossa

Answer 2

• Tuber Cinerium
• Mammilary bodies
• Posterior perforating subtance
• Occulomotor Nerve

Question 3

tuber cenerium Gives attachement to

Answer 3

Infundibulum

Question 4

Afferent and efferent of mammilary bodies

Answer 4

Afferent: fornix

Efferent:
* Thalamus (mammillo-thalamic tract)
* Tegmentum (mammillo-tegmental tract)

Question 5

Posterior perforating substance is peirced by

Answer 5

Central branches of Posterior Cerebral Arteries