Neuroanatomy — Flashcards

Flashcard 541: The intermediate filament Glial Fibrillary Acidic Protein (GFAP) is found in _____ cells (e.g., astrocytes, Schwann cells, ependymal cells)

Answer: neuroglial

Flashcard 542: Which structure forms the lateral wall of the anterior horn of the lateral ventricle?

Answer: Head of the caudate nucleus

Flashcard 543: Which cranial nerve arises from the dorsal aspect of the midbrain?

Answer: Trochlear nerve (CN IV)

Extra: The trochlear nerve (CN IV) is the only cranial nerve to emerge from the dorsal aspect of the brainstem (specifically the midbrain, just below the inferior colliculus).

Flashcard 544: Which reflex is mediated by CN V3 (afferent and efferent)? _____

Answer: Jaw jerk reflex

Flashcard 545: Which cranial nerve (and branch) is responsible for the efferent limb of the corneal reflex? _____

Answer: Bilateral CN VII (temporal br. via orbicularis oculi)

Flashcard 546: Which wedge-shaped gyrus on the medial surface of the occipital lobe is bounded by the parieto-occipital sulcus superiorly and the calcarine sulcus inferiorly?

Answer: Cuneus gyrus

Flashcard 547: Which midline structure of the epithalamus secretes melatonin and often appears calcified on CT scans?

Answer: Pineal gland

Flashcard 548: What is the destination of the lateral geniculate body (LGB) of the thalamus? _____

Answer: Primary visual cortex (calcarine sulcus)

Flashcard 549: The _____ horn of gray matter contains sensory neurons

Answer: dorsal

Flashcard 550: The neuronal cell bodies of the ventral roots of spinal nerves are found in the _____ of the spinal cord

Answer: ventral horn