Cranial Ventricles

Question 1

Anterior horn of lateral ventricle

Answer 1

Located deep within cerebral hemisphere

Description:
• Cavity with choroid plexus that produces cerebrospinal fluid (CSF)
• Communicates with paired structure of opposite side and with third ventricle via interventricular foramen
• Has anterior, posterior, and inferior extensions (horns)

Question 2

Posterior Horn of Lateral Ventricle

Answer 2

Located deep within cerebral hemisphere

Description:
• Cavity with choroid plexus that produces cerebrospinal fluid (CSF)
• Communicates with paired structure of opposite side and with third ventricle via interventricular foramen
• Has anterior, posterior, and inferior extensions (horns)

Question 3

Third Ventricle

Answer 3

Located in diencephalon

Description:
• Single, midline cavity filled with cerebrospinal fluid (CSF)
• Has choroid plexus that produces CSF
• Connected to lateral ventricles via interventricular foramena
• Connected to fourth ventricle via cerebral aqueduct

Question 4

Choroid plexus

Answer 4

Located in lateral, third, and fourth ventricles of brain

Description:
• Tufts of capillaries covered by specialized ependymal cells that line ventricles

Function:
• Specialized ependymal cells produce cerebrospinal fluid

Question 5

Fourth Ventricle

Answer 5

Located between cerebellum and brainstem

Description:
• Single, midline, pyramidal cavity filled with cerebrospinal fluid (CSF)
• Has choroid plexus that produces CSF
• Connected to third ventricle via cerebral aqueduct
• Has three foramina that open into subarachnoid space
• Continuous with central canal of spinal cord

Question 6

Cerebral aqueduct

Answer 6

Located in midbrain

Description:
• Narrow midline channel between third and fourth ventricles
• Filled with cerebrospinal fluid

Question 7

Frontal lobe

Answer 7

Location:
• Anterior portion of cerebral hemisphere

Description:
• Extends from anterior pole of brain to central sulcus
• Contains precentral gyrus

Function:
• Controls voluntary motor activity
• Higher mental processing
• Emotional behavior
• Speech output (i.e., Broca's area - usually in left hemisphere)

Question 8

Occipital Lobe

Answer 8

Location:
• Posterior portion of each cerebral hemisphere

Description:
• Extends from parieto-occipital sulcus to posterior pole of brain
• Contains lingual gyrus

Function:
Primary Visual Area

Question 9

Lateral Ventricle

Answer 9

Location:
• Deep within cerebral hemisphere

Description:
• Paired cavity filled with cerebrospinal fluid (CSF)
• Has anterior, posterior, and inferior extensions (horns)
• Has choroid plexus that produces CSF
• Connected to third ventricle via interventricular foramen