Nervous System Vocabulary

nerves that carry sensory signals (nerve impulses) toward the CNS from the periphery

• afferent nerves

• aphasia

• arachnoid mater

• astrocyte

loss of language function

• afferent nerves

• aphasia

• arachnoid mater

• astrocyte

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

• afferent nerves

• aphasia

• arachnoid mater

• astrocyte

glial cell type of the CNS that provides support for neurons and maintains the blood-brain barrier.

• afferent nerves

• aphasia

• arachnoid mater

• astrocyte

inability to coordinate movements of the body resulting in poor balance and awkward movements

• ataxia

• autonomic nervous system

• axon

• axon hillock

functional division of the nervous system that is responsible for homeostatic reflexes that coordinate control of cardiac and smooth muscle, as well as glandular tissue.

• ataxia

• autonomic nervous system

• axon

• axon hillock

Tags

NGSS.HS-LS1-3

single process of the neuron that carries an electrical signal (action potential) away from the cell body toward a target cell

• ataxia

• autonomic nervous system

• axon

• axon hillock

tapering of the neuron cell body that gives rise to the axon

• ataxia

• autonomic nervous system

• axon

• axon hillock

single stretch of the axon insulated by myelin and bounded by nodes of Ranvier at either end

• axon segment

• axon terminal

• axoplasm

• Babinski sign

end of the axon, where there are usually several branches extending toward the target cell

• axon segment

• axon terminal

• axoplasm

• Babinski sign