Neuroanatomy — Flashcards

Flashcard 461: The middle layer of the cerebellar cortex is the _____ layer

Answer: Purkinje

Flashcard 462: What is the adult derivative of the cavity of the diencephalon? _____

Answer: Third ventricle

Flashcard 463: The _____ of the cerebellum is involved in motor planning

Answer: lateral hemisphere

Flashcard 464: The medial lemniscus is initially positioned _____ (medially or laterally) in the caudal medulla

Answer: medially

Flashcard 465: Which spinal cord level contains mostly gray matter (relative to white matter)? _____

Answer: Sacral

Flashcard 466: _____ fibers that enter the cerebellum are from numerous sources (e.g. pontine nuclei, spinal cord, vestibular nuclei)

Answer: Mossy

Flashcard 467: Identify the spinal cord level characterized by a small overall diameter, a high ratio of gray matter to white matter, and large ventral and dorsal horns:

Answer: Sacral

Flashcard 468: Which Brodmann area corresponds to the **Frontal eye field**?

Answer: Brodmann area 8

Extra: The frontal eye field (FEF) is located in the posterior part of the middle frontal gyrus. It is responsible for voluntary (saccadic) eye movements to the contralateral side. Destructive lesions to this area result in the eyes deviating toward the side of the lesion ("looking at the lesion").

Flashcard 469: _____ herniation is a potentially lethal complication of epidural hematoma

Answer: Transtentorial

Flashcard 470: The motor/sensory areas corresponding to the upper limbs are located in the _____ aspects (medial or lateral) of the pre-/post-central gyri

Answer: lateral