Start Key Terms: Anatomy & Physiology: Nervous System Anatomy

Question: anterior spinal artery

Choices:

blood vessel from the merged branches of the vertebral arteries that runs along the anterior surface of the spinal cord

Question: abducens nerve

Choices:

sixth cranial nerve; responsible for contraction of one of the extraocular muscles

Question: anterior median fissure

Choices:

deep midline feature of the anterior spinal cord, marking the separation between the right and left sides of the cord

Question: alar plate

Choices:

developmental region of the spinal cord that gives rise to the posterior horn of the gray matter

Question: ascending tract

Choices:

central nervous system fibers carrying sensory information from the spinal cord or periphery to the brain

Question: arachnoid granulation

Choices:

outpocket of the arachnoid membrane into the dural sinuses that allows for reabsorption of CSF into the blood

Question: amygdala

Choices:

nucleus deep in the temporal lobe of the cerebrum that is related to memory and emotional behavior

Question: arachnoid mater

Choices:

middle layer of the meninges named for the spider-weblike trabeculae that extend between it and the pia mater

Question: anterior column

Choices:

white matter between the anterior horns of the spinal cord composed of many different groups of axons of both ascending and descending tracts

Question: arachnoid trabeculae

Choices:

filaments between the arachnoid and pia mater within the subarachnoid space

Question: anterior horn

Choices:

gray matter of the spinal cord containing multipolar motor neurons, sometimes referred to as the ventral horn