nervous system Flashcards
neurotransmitter
chemical released from a neuron into the synaptic space either to excite or inhibit the target cell
ganglion
bundle of neurons outside the CNS
Plural; ganglia
meninges
layers of connective tissue covering the brain and spinal cord
singular; meninx
subarachnoid space
space between arachnoid and pia mater layers of the meninges, contains cerebrospinal fluid
cerebrospinal fluid
fluid that nourishes, cools, and cushions the brain and spinal cord
intervertebral disks
fibrocartilage pads that separate and cushion the vertebrae
innervate
to supply an organ or body part with nerves
hemiplegia
paralysis, of one side of the body
myelogram
radiograph of the spinal cord after injection of a positive contrast medium into the subarachnoid space
electroencephalogram
record of electrical activity of the brain
meningeoencephalitis
inflammation of the meninges and brain
nystagmus
involuntary, rhythmic movement of the eyes
radiculitis
inflammation of a spinal nerve root
grand mal seizure
major seizure during which the patient completely loses consciousness and convulses
ipsilateral
on the same side
CNS
central nervous system
PNS
peripheral nervous system
CSF
cerebrospinal fluid
EEG
electroencephalogram
CNV, CNX, etc
cranial nerve 5, cranial nerve 10, etc
K+
potassium ion
Na+
sodium ion
Cl+
chloride ion
GABA
gamma aminobutyric acid
