0. DSA Intro to Neuroscience

Question 1

What is considered CNS and what is considered PNS? (2,5)

Answer 1

CNS: brain, spinal cord (brainstem, cerebellum, cerebral cortex)
PNS: Cranial N, Spinal N, Ganglia, Enteric plexuses, Sensory skin receptors, etc

Question 2

What is a bundle of myelinated axons that travel together in the CNS, such as tract, lemniscus, fasciculus, column, peduncle, bundle or capsule?

Answer 2

White matter

Question 3

What are areas that contain groups of cell bodies, such as nuclei, basal ganglia, thalamus, cortex or PNS with groups of cell bodies called ganglia?

Answer 3

gray matter

Question 4

What are the gray and white matter within the spinal cord?

Answer 4

Gray: Dorsal horn, lateral horn, ventral horn
White: Dorsal column, lateral column, anterior column

Question 5

What are the main features of the anterior/ventral side of the midbrain? (2) how about the dorsal/posterior side? (3)

Answer 5

Anterior Midbrain: cerebral peduncle and CNIII

Posterior Midbrain: Superior/Inferior colliculus and CN IV

Question 6

What is the main feature of the pons?

Answer 6

trigeminal N CN V

Question 7

What are the major features of the anterior ventral medulla? (5)

Answer 7

pyramids
olives
CN XI, X, XII

Question 8

What does the diencephalon contain? (4)

Answer 8

thalamus
hypothalamus
epithalamus
eyes

Question 9

What CNs come from the pontomedullary junction?

Answer 9

CN VI, VII, VIII