Neuroanatomy — Flashcards

Flashcard 481: There is/are _____ coccygeal pair of spinal nerves

Answer: one

Flashcard 482: Identify the brainstem level characterized by:\n- Presence of 4th ventricle\n- Ventral enlargement\n- Presence of CN V

Answer: Rostral pons

Flashcard 483: The proximal part of an axon is usually marked by an _____, which is a tapered extension of the cell body that lacks Nissl substance

Answer: axon hillock

Flashcard 484: What cells synthesize the myelin for cranial nerve I?_____

Answer: None

Flashcard 485: Axons that are myelinated by _____ have the potential to regenerate following injury

Answer: Schwann cells

Flashcard 486: Axons from the ciliospinal center of Budge exit at T1 and synapse on the _____ ganglion

Answer: superior cervical

Flashcard 487: Identify the cortical area located in the posterior part of the superior temporal gyrus (Brodmann area 22).

Answer: Wernicke's area

Extra: Wernicke's area is responsible for the comprehension of language. It is located in the posterior part of the superior temporal gyrus of the dominant hemisphere.

Flashcard 488: All the axons in the cochlear part of CN VIII enter the _____ junction and synapse in the ventral and dorsal cochlear nuclei

Answer: pontomedullary

Flashcard 489: Which cranial nerve has some LMNs that receive only contralateral corticobulbar innervation? _____

Answer: Facial nerve (CN VII)

Flashcard 490: Sensory fibers containing pain and temperature information ascend or descend 1 - 2 spinal segments in _____ tract before synapsing in the dorsal horn with a 2nd-order neuron

Answer: Lissauer's