Neuroanatomy — Flashcards

Flashcard 421: What gyrus is located immediately superior to the corpus callosum?

Answer: Cingulate gyrus

Flashcard 422: Which cranial nerve provides sensory innervation to the face and motor innervation to the muscles of mastication?

Answer: CN V (Trigeminal nerve)

Flashcard 423: Both dorsal columns (fasciculus gracilis and fasciculus cuneatus) are present at and above which spinal level?

Answer: T6

Extra: The fasciculus gracilis is present at all spinal levels (carrying sensation from the lower limbs), while the fasciculus cuneatus begins only at the T6 level (carrying sensation from the upper limbs). Therefore, both dorsal columns are present only at and above the level of T6.

Flashcard 424: The 2nd-order neurons of trigeminal nerve nuclei synapse in the _____ nucleus of the thalamus

Answer: ventral posteromedial (VPM)

Flashcard 425: The 1st-order neurons of the spinothalamic tract are sensory nerve endings with cell bodies located in a _____

Answer: DRG

Flashcard 426: Which nucleus receives pain and temperature sensation from the face and extends from the pons into the upper cervical spinal cord?

Answer: Spinal trigeminal nucleus

Extra: The spinal trigeminal nucleus receives pain and temperature information from the face (CN V) as well as CN VII, IX, and X. It extends from the pons through the medulla to the upper cervical spinal cord.

Flashcard 427: _____ cells line the ventricles in the adult brain

Answer: Ependymal

Flashcard 428: Parinaud syndrome often results from a tumor of the _____ gland

Answer: pineal

Flashcard 429: Identify the cranial nerve that provides motor innervation to the stylopharyngeus muscle and taste to the posterior 1/3 of the tongue.

Answer: CN IX (Glossopharyngeal nerve)

Flashcard 430: Lesions of the dorsal column-medial lemniscus tract in the thalamus and cerebral cortex present on the _____-lateral side below the lesion

Answer: contra