Neuroanatomy

Question 1

Contents of superior orbital fissure

Answer 1

Oculomotor III
Trochlear IV
Abducens VI
V1 branches
Superior Opthalmic vein
Recurrent meningeal branch from lacrimal artery
Orbital branch of middle meningeal artery.

Question 2

Contents of Inferior orbital fissure

Answer 2

Infraorbital nerve, artery and vein
Inferior opthalmic vein
Zygomatic nerve
Orbital branch of pharyngeal nerve
Maxillary nerve V2

Question 3

Contents of Internal acoustic meatus.

Answer 3

Facialis (VII)
Vestibulocochlear (VIII)

Question 4

Contents of foramen magnum

Answer 4

Medulla oblongata
Acessory nerve (XI)
Vertebral artery
Posterior spinal artery

Question 5

Contents of foramen spinosum

Answer 5

Middle meningeal artery and vein.

Question 6

Contents of jugular foramen

Answer 6

Three compartments.
1. Anterior: Inferior petrosal sinus
2. Intermediater:Glossopharyngeal (IX),Vagus (X), Acessory (XI)
3. Posterior: Sigmoid sinus becoming the internal jugular vein.

Question 7

Artery of Adamkiewicz

Answer 7

Enters the spinal canal om the left at T9-12.
Supplies T8 to the conus.

Question 8

Broca Area

Answer 8

Expressive speech center. Located in inferior frontal gyrus par opercularis (behind pars orbitalis and triangularis) Broadmann 44.

Question 9

Which part of the carotid artery is in closest relation to dorellos canal

Answer 9

C3 segment(Intracavernous segment)

Question 10

Which gyrus is uncus in?

Answer 10

Parahippocampal gyrus