Neuroanatomy — Flashcards

Flashcard 331: Which part of the basal ganglia sends dopaminergic neurons to the striatum to alter activity of both basal ganglia pathways? _____

Answer: Substantia nigra

Flashcard 332: The cell bodies of the dorsal spinocerebellar tract are found in _____ nucleus, which is situated in the spinal cord from T1 to L2

Answer: Clarkes

Flashcard 333: One component of the blood-brain barrier is _____ from astrocytes

Answer: foot processes

Flashcard 334: GnRH is primarily secreted by the Hypothalamic _____ nuclei

Answer: Preoptic

Flashcard 335: Which cortical area is responsible for executive functions, personality, and social behavior?

Answer: Prefrontal cortex

Flashcard 336: The hypothalamus is connected to the pituitary gland by a thin stalk called the _____

Answer: infundibulum

Flashcard 337: Pelvic splanchnic nerves and CNs III, VII, IX and X are part of the _____ nervous system

Answer: parasympathetic

Flashcard 338: Which artery, typically arising from the vertebral artery, supplies the lateral medulla and the posteroinferior cerebellum?

Answer: Posterior inferior cerebellar artery (PICA)

Extra: Occlusion of the PICA (or its parent vertebral artery) leads to Lateral Medullary (Wallenberg) syndrome. This presents with ipsilateral cerebellar signs, Horner syndrome, and sensory loss (ipsilateral face, contralateral body).

Flashcard 339: Any unilateral lesion of the spinothalamic tract in the spinal cord or brain stem will present on the _____-lateral side 1-2 segments below the lesion

Answer: contra

Flashcard 340: Which part of the internal capsule is located at the junction (bend) between the anterior and posterior limbs?

Answer: Genu of the internal capsule