Gross Brain, Brainstem, and Spinal Cord Flashcards
PNS
collection of spinal and cranial nerves whose branches conveying messages to and from the CNS
CNS
brain and spinal cord
parts of the brain (3)
forebrain, cerebellum, and brainstem
parts of the forebrain (2)
cerebral hemispheres and diencephalon
Where is the brainstem?
btwn forebrain and spinal cord
gray matter
areas containing neuronal/glial cell bodies and dendrites
nuclei
collections of cell bodies w/ common function
cortex
layers of gray matter over other parts of the CNS (ie cerebral and cerebellar cortices)
Is a nucleus gray or white matter?
gray
Is a cortex gray or white matter?
gray
white matter
areas where there is a collection of axons; many covered with myelin
Is a fasciculus gray or white matter?
white
Is a faniculus gray or white matter?
white
Is a lemniscus gray or white matter?
white
Is a peduncle gray or white matter?
white
Is a tract gray or white matter?
white
gyrus
ridge of cortical tissue