Neurons
Carries impulses away from the cell body
What is an axon?
The system of "rest and digest"
PSY
components of the CNS
brain and spinal cord
Bundle of axons in the PNS
Nerve
Glial cell responsible for the myelin sheath in the PNS
Schwann cell
This functional type of neuron carries information to the CNS
Sensory (afferent)
Which system branch has relatively short preganglionic neurons and long postganglionic neurons?
SY
collection of cell bodies in the CNS
nucleus/nuclei
Anosmia, the loss of the sense of smell, can be caused by multiple factors. One factor could be damage to this cranial nerve
Olfactory CN I
Glial cell that helps develop the blood brain barrier
Astrocyte
Type (structural) of neuron with multiple dendrites, one axon and cell bodies found within the CNS
Multipolar
Stimulation by this system dilates the pupil
bundle of axons in the central nervous system
tract
This nerve from the cervical plexus innervates the diaphragm
Phrenic N
Hyper filtrate of blood that surrounds and protects the brain and spinal cord
cerebrospinal fluid
These multipolar neurons are found entirely within the CNS
Interneuron
Cholinergic neurons secrete what neurotransmitter
acetylcholine
term for when tracts cross the midline in the brain or spinal cord
decussation
Nerves associated with T1-T11 spinal segments, involved in respiration
intercostal nerves
brain macrophages
microglia
Structural classification of most sensory neurons
unipolar
Neurotransmitter released by most postganglionic neurons of the sympathetic nervous system
NE
Primary motor area for voluntary muscles
Precentral Gyrus
Plexus associated with the nerves of the upper limb
brachial
Meningeal space containing CSF
Subarachnoid space