Neuroanatomy — Flashcards

Flashcard 431: LMN lesions cause _____-lateral flaccid paralysis at the level of the lesion

Answer: ipsi

Flashcard 432: Which sulcus separates the frontal lobe from the parietal lobe?

Answer: Central sulcus (Sulcus of Rolando)

Extra: The central sulcus separates the **frontal lobe** (precentral gyrus/motor cortex) from the **parietal lobe** (postcentral gyrus/sensory cortex).

Flashcard 433: The only axons that leave the cerebellar cortex are those of _____ cells

Answer: Purkinje

Flashcard 434: Secondary vestibular fibers, arising from the vestibular nuclei, join the _____ and supply the motor nuclei of CN III, IV, and VI (vestibulo-ocular reflex)

Answer: medial longitudinal fasciculus

Flashcard 435: Parinaud syndrome often results from a tumor of the _____ gland

Answer: pineal

Flashcard 436: Which nucleus of the Hypothalamus is responsible for both thermoregulation and sexual behavior?_____

Answer: Preoptic Nucleus

Flashcard 437: What is the destination of the medial geniculate body (MGB) of the thalamus? _____

Answer: Primary auditory cortex (temporal lobe)

Flashcard 438: Light reflex: Light in either retina sends a signal via CN II to the _____ nuclei

Answer: pretectal

Flashcard 439: Identify the motor speech area located in the inferior frontal gyrus (Brodmann areas 44 and 45).

Answer: Broca's area

Flashcard 440: The _____ of the reticular formation is a collection of nuclei surrounding the cerebral aqueduct in the midbrain

Answer: periaqueductal (central) gray