Neuroanatomy — Flashcards

Flashcard 531: The 2nd-order neuron of the hypothalamospinal tract arises from the lateral horn of T1 and synapses on the _____

Answer: superior cervical ganglion

Flashcard 532: Horner syndrome is associated with lesions of the spinal cord above _____

Answer: T1

Flashcard 533: What part of the brain is most often affected by hemangioblastoma? _____

Answer: Cerebellum

Flashcard 534: Which sacral nerves carry parasympathetics? _____

Answer: S2 - S4

Flashcard 535: Which cranial nerve mediates the efferent limb of the gag reflex and provides parasympathetic innervation to the heart and lungs?

Answer: CN X (Vagus nerve)

Extra: The afferent limb of the gag reflex is mediated by CN IX (Glossopharyngeal nerve). CN X exits the skull via the jugular foramen along with CN IX and CN XI.

Flashcard 536: The 1st-order neurons of the dorsal column-medial lemniscal tract are sensory nerve endings with cell bodies located in a _____

Answer: DRG

Flashcard 537: Which structure forms the lateral wall of the anterior horn of the lateral ventricle?

Answer: Head of the caudate nucleus

Flashcard 538: The intermediate filament Glial Fibrillary Acidic Protein (GFAP) is found in _____ cells (e.g., astrocytes, Schwann cells, ependymal cells)

Answer: neuroglial

Flashcard 539: Do meningiomas typically invade the cortex? _____

Answer: No (external to brain parenchyma)

Flashcard 540: Which midline structure of the epithalamus secretes melatonin and often appears calcified on CT scans?

Answer: Pineal gland