Es344: Ventral Surface Of The Brainstem

Front 1

Structures Located Near or at the Cerebral Hemispheres on the Ventral Surface of the Brainstem:

Locate the structures near here.

Back 1

1) Coronal Radiata
2) Corpus Callosum
3) Septum Pellucidum
4) Caudate Nucleus
5) Putamen
6) Lateral Ventricle
7) Fornix
8) Anterior Commissure

Front 2

Structures Located Near or at the Cerebral Hemispheres on the Ventral Surface of the Brainstem:

Corpus Callosum

Back 2

(i) Rostrum of the Corpus Callosum

(ii) Genu of the Corpus Callosum

Front 3

Structures Located Near or at the Cerebral Hemispheres on the Ventral Surface of the Brainstem:

Caudate Nucleus

Back 3

(i) Head of the Caudate Nucleus

Front 4

Structures Located Near or at the Cerebral Hemispheres on the Ventral Surface of the Brainstem:

Lateral Ventricle

Back 4

(i) Anterior Horn of the Lateral Ventricle

Front 5

Structures Located Near or at the Cerebral Hemispheres on the Ventral Surface of the Brainstem:

Fornix

Back 5

(i) Fornix Column

Front 6

What does the Diencephalon consist of?

Back 6

(i) Thalamus, (ii) hypothalamus, and (iii) epithalamus.

Front 7

Structures Located Near or at the Diencephalon on the VENTRAL Surface of the Brainstem:

Locate the structures here.

Back 7

1) Third Ventricle
2) Optic Nerve/ CN II
3) Optic Chiasm
4) Optic Tract

Front 8

Optic Nerve/CN II Function

Back 8

Vision

Front 9

Structures Located near or at the Midbrain on the VENTRAL Surface of the Brainstem:

Locate the structures here.

Back 9

1) Midbrain
2) Cerebral Peduncle
3) Mamillary Body
4) Oculomotor Nerve/CN III
5) Trochlear Nerve/CN IV

Front 10

Oculomotor Nerve/CN III

Back 10

Innervates:
(i) levator palpebrae superioris m.
(ii) superior rectus m.
(iii) medial rectus m.
(iv) inferior rectus m.
(v) inferior oblique m.

Front 11

Trochlear Nerve/CN IV

Back 11

»Only cranial nerve to emerge dorsally.

Front 12

Structures Located at the Pons on the VENTRAL Surface of the Brainstem:

Locate the structures here

Back 12

1) Pons
2) Basis Ponti
3) Middle Cerebellar Peduncle
4) Trigeminal Nerve/CN V
5) Abducens Nerve/CN VI
6) Facial Nerve/ CN VII
7) Vestibulocochlear Nerve/CN VIII

Front 13

Trigeminal Nerve/CN V Function & Innervation

Back 13

»Provides sensation to the face

Innervates - Mastication mm.

Front 14

Abducens Nerve/CN VI Function & Innervation

Back 14

»Cranial Nerve

Innervates - Lateral rectus m. of the eye.

Front 15

Facial Nerve/CN VII Function & Innervation

Back 15

»Provides taste to the anterior 2/3's of the tongue.
»Stimulates some glands in the cranial region.

Innervates - Facial expression mm.

Front 16

Vestibulocochlear Nerve/CN VIII Function

Back 16

»Responsible for auditory and vestibular sensations

Front 17

Structures Located at the Medulla on the Ventral Surface of the Brainstem:

Locate the structures here.

Back 17

1) Medulla
2) Anterior/Ventral Median Fissure
3) Anterolateral/Ventrolateral Sulcus
4) Olive
5) Pyramid
6) Decussation of the Pyramids
7) Decussation of the Pyramids
8) Glossopharynglea Nerve/CN IX
9) Vagus Nerve/CN X
10) Spinal Accessory Nerve/CN XI
11) Hypoglossal Nerve/ CN XII

Front 18

Glossopharyngeal Nerve/ CN IX Function

Back 18

»Provides taste from the posterior 1/3 of the tongue.
»Provides sensation to the external ear.

Front 19

Vagus Nerve/CN X Function

Back 19

»Provides sensation from the viscera.
»Provides much of the motor component to smooth muscle of the viscera.

Front 20

Spinal Accessory Nerve/ CN XI Function

Back 20

Innervates - Sternocleidomastoid and Trapezius mm.

Front 21

Hypoglossal Nerve/ CN XII

Back 21

Innervates - Majority of the mm. of the tongue.