Neuroanatomy — Flashcards

Flashcard 591: Syrinx expansion in syringomyelia may lead to damage to the _____ motoneurons of the anterior horn

Answer: lower

Flashcard 592: Bilateral loss of motor function, pain, and temperature sensation below a lesion level with spared dorsal column function is characteristic of occlusion of which artery?

Answer: Anterior spinal artery

Extra: This clinical presentation describes **Anterior Spinal Artery Syndrome**. The anterior spinal artery supplies the anterior 2/3 of the spinal cord (including the corticospinal and spinothalamic tracts), while the posterior spinal arteries supply the dorsal columns (sparing proprioception and vibration).

Flashcard 593: Structures of the _____ system include the hippocampus, amygdala, fornix, mammillary bodies, and cingulate gyrus

Answer: limbic

Flashcard 594: Which dopaminergic pathway connects the ventral tegmentum (midbrain) to the prefrontal cortex? _____

Answer: Mesocortical pathway

Flashcard 595: If only one tract (fasciculus) is present in the dorsal column, the spinal cord is _____ T6

Answer: below

Flashcard 596: The primary somatosensory cortex is located in which gyrus?

Answer: Postcentral gyrus

Extra: The postcentral gyrus is located in the parietal lobe and contains the primary somatosensory cortex (Brodmann areas 3, 1, and 2).

Flashcard 597: Lesion to which artery affects the facial nucleus? _____

Answer: Anterior inferior cerebellar artery (AICA)

Flashcard 598: Craniopharyngioma is the most common childhood _____-tentorial tumor

Answer: supra