Midbrain Flashcards

1
Q

Cerebral Crus (crus cerebri)

A

anterior bilateral structure that is bordered medially by the II CN oculomotor and the two halves are separated by the interpeduncular fossa

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2
Q

Interpeduncular Fossa

A

gap between the cerebral crus where the II CN emerges

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3
Q

corpora quadrigemina

A

Superior colliculi: upper mound
Inferior colliculi: lower mound
these two structures together form the tectum

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4
Q

Cranial Nerve IV Trochlear

A

emerges caudally from the inferior colliculi and wraps around to the anterior ventral surface of the midbrain

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