For Providers -- Atlas of Human Anatomy

The inferior surface of the base of the brain (basis), with its arteries.

Translated by: Ronald A. Bergman, PhD and Adel K. Afifi, MD, MS
Peer Review Status: Internally Peer Reviewed

A. Anterior cerebral frontal lobe [OBS].
B. Middle cerebral temporal lobe [OBS].
C. Posterior occipital lobe [OBS].
D. Cerebellum.
E. Medulla oblongata.

a) Sylvian fissure.
b) Longitudinal (interhemispheric) fissure of cerebrum.
c) Chiasm of the optic nerve.
d) Tuber cinereum.
e) Mammillary bodies (s. candicantia).
f) Opitc tract.
g) Pons (Varolii).
h) Middle cerebellar peduncle (Brachium Pontis).
i) Pyramid.
k) Inferior olivary body.

1. olfactory tract with olfactory bulb at the distal end.
2. optic nerve.
3. oculomotor nerve.
4. trochlear nerve.
5. trigeminal nerve.
6. abducens nerve.
7. facial nerve.
8. auditory (cochleovestibular) nerve.
9. glossopharyngeal nerve.
10. vagus nerve.
11. hypoglossal nerve.
12. vertebral artery.
13. basilar artery.
14. anterior spinal arteries.
15. posterior inferior cerebellar arteries.
16. anterior inferior cerebellar arteries.
17. superior cerebellar arteries.
18. Posterior cerebral artery.
19. Posterior communicating artery (between Posterior cerebral artery and internal carotid, forming the circle of Willis).
20. internal carotid artery (s. cerebralis).
21. artery of the Sylvian fossa (middle cereberal artery).
22. Anterior choroidal artery.
23. Pericallosal artery.