Answers.
central nervous system - Answer brain and spinal cord
peripheral nervous system - Answer 12 pairs of cranial nerves and 31 pairs of spinal nerves
ganglia - Answer collection of neurons outside the CNS
nucleus - Answer collection of neurons within the CNS
telencephalon - Answer forebrain-cerebral cortex and subcortical nuclei
diencephalon - Answer thalamus and hypothalamus
midbrain - Answer rostral to pons, smallest part of brainstem
pons - Answer enlargement rostral to medulla
medulla - Answer direct rostral extension of spinal cord
bumps (hillocks, tubercles, colliculi, gyro, pentacles, brachium, eminence) - Answer generally
indicate the location of underlying nuclei or fiber tracts
grooves (fissures, sulci) - Answer divide brain into different regions or represent a midline
division of the brain
cut off nerves - Answer central portions of cranial nerves that emerge from the medulla, pons,
midbrain, and diencephalon
anterior median fissure - Answer midline slit on the ventral medulla
trigeminal - Answer largest cranial nerve
trochlear - Answer smallest cranial nerve
, transverse process - Answer
spinous process - Answer
lamina - Answer
vertebral canal - Answer
laminectomy - Answer removal of roof of vertebral canal to expose underlying spinal cord
intervertebral disk - Answer cartilaginous pad found between the vertebrae in the spine
intervertebral foramen - Answer site where nerves going out to muscles or carrying sensory
information into the spinal cord emerge
nissl stains - Answer labels endoplasmic reticulum in cell bodies
fiber stain - Answer labels myelin on axons
grey matter - Answer populations of neurons and glia
white matter - Answer populations of axons and glia
dorsal root ganglion - Answer carry sensory information into the spinal cord
ventral root - Answer carry motor information out of the spinal cord
tract - Answer a bundle of axons that connects two CNS regions
ascending tract - Answer projects from spinal cord to brain
descending tract - Answer projects from brain to spinal cord