QuestionSBA
QuestionChoice
Correct. The pons is the largest region of the brainstem between the midbrain superiorly and the medulla inferiorly. It is also located anterior to the cerebellum, separated by the fourth ventricle. The midline groove houses the basilar artery which ascends along the ventral surface of the pons.
10009185
a
Pons
QuestionChoice
Incorrect. The tectum consists of the four dorsal colliculi of the midbrain (known as the corpora quadrigemina), two superior and two inferior, located superior to the pons and posterior to the cerebral aqueduct.
10009187
c
Tectum
QuestionChoice
Incorrect. The cerebral peduncles are ventrolateral regions of the midbrain, extending from the cerebral hemispheres and located superior to the pons. They are separated ventrally by the midline interpeduncular fossa.
10009189
e
Cerebral peduncle
QuestionChoice
Incorrect. The olives are ventrolateral swellings on the medulla oblongata of the brainstem, located inferior to the pons and lateral to the medullary pyramids.
10009188
d
Olive
QuestionChoice
Incorrect. The medullary pyramids are ventromedial swellings on the medulla oblongata of the brainstem, located inferior to the pons and medial to the olives. They are separated by the anterior median fissure throughout, except for a region where the pyramids decussate.
10009186
b
Medullary pyramid
Concept
Chapter
2693
5319
Pons
Topic
196
Neuroanatomy
14384
Picture
1744
39 - Pons.png
images/d3gm1c6n1682950664534.jpg
images/d3gm1c6n1682950664534_256.jpg
images/d3gm1c6n1682950664534_512.jpg
CggKDYIIt4h4iHiAjZeIiQh2gWAH
Topic
196
Neuroanatomy
Identify the labelled structure.

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a