Neuroanatomy — Flashcards

Flashcard 431: The only axons that leave the cerebellar cortex are those of _____ cells

Answer: Purkinje

Flashcard 432: What is the destination of the medial geniculate body (MGB) of the thalamus? _____

Answer: Primary auditory cortex (temporal lobe)

Flashcard 433: Lesions of the dorsal column-medial lemniscus tract in the thalamus and cerebral cortex present on the _____-lateral side below the lesion

Answer: contra

Flashcard 434: 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 435: 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 436: _____ cells line the ventricles in the adult brain

Answer: Ependymal

Flashcard 437: Parinaud syndrome often results from a tumor of the _____ gland

Answer: pineal

Flashcard 438: Strokes involving the lenticulostriate artery typically involve the _____ and internal capsule

Answer: striatum

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

Answer: Broca's area

Flashcard 440: Which ascending spinal tract is responsible for the transmission of **pain** and **temperature** sensations?

Answer: Spinothalamic tract

Extra: The spinothalamic tract also carries **crude touch**. Key anatomical features: 1. **First-order neurons:** Cell bodies in dorsal root ganglia. 2. **Decussation:** Occurs in the spinal cord at the level of entry via the **anterior white commissure**. 3. **Termination:** VPL nucleus of the thalamus.