Neuroanatomy — Flashcards

Flashcard 111: What is the function of the Hypoglossal nerve (CN XII)?

Answer: Motor innervation to all intrinsic and extrinsic muscles of the tongue (except Palatoglossus)

Extra: The Palatoglossus muscle is innervated by the Vagus nerve (CN X) via the pharyngeal plexus. Sensations for the anterior 2/3 of the tongue are handled by the Lingual nerve (CN V3) for general sensation and Chorda tympani (CN VII) for taste.

Flashcard 112: What kind of intermediate filament is associated with neurons?

Answer: neurofilaments

Flashcard 113: What kind of intermediate filament is associated with neuroglia?

Answer: glial fibrillary acid proteins (GFAP)

Flashcard 114: Neurofilaments belong to what class of cytoskeletal element?

Answer: intermediate filaments

Flashcard 115: The _____ is the major relay station for sensory information (except olfaction) traveling to the cerebral cortex.

Answer: thalamus

Flashcard 116: Do ventral roots of spinal nerves contain sensory or motor neurons? _____

Answer: Motor neurons

Flashcard 117: There are _____ lumbar pairs and _____ sacral pairs of spinal nerves

Answer: 5

Flashcard 118: _____ circuit describes the neural circuit for emotional expression and includes the hippocampus, mammillary bodies, anterior thalamic nuclei, cingulate gyrus, and entorhinal cortex

Answer: Papez

Extra: Atlas:

Flashcard 119: Cerebrospinal fluid (CSF) is made by _____ cells of choroid plexus

Answer: ependymal

Flashcard 120: Post-ganglionic sympathetic and Pre-ganglionic parasympathetic neurons supplying the GI tract synapse in the _____ or _____

Answer: myenteric