|
| | |
Substantia nigra
Substantia nigra A small area of the brain containing a cluster of black-pigmented nerve cells that produce dopamine which is then transmitted to the striatum.
RELATED TERMS--------------------------------------
Brain
"That part of the central nervous system that is located within the cranium (skull). The brain functions as the primary receiver, organizer and distributor of information for the body. It has two (right and left) halves called ""hemispheres."" "
Cluster
In epidemiology, an aggregation of cases of a disease or another health-related condition, such as a cancer or birth defect, closely grouped in time and place. The number of cases in the cluster may or may not exceed the expected number. This is determined by cluster analysis, a set of statistical methods used to analyze clusters.
Nerve
Tissue that conveys sensation, temperature, position information to the brain.
Dopamine
A neurotransmitter that works in an axis with serotonin.
SIMILAR TERMS--------------------------------------
Substance abuse clinic
A clinic specialized in treating people who suffer from substance abuse.
Substitution
A defense mechanism, operating unconsciously, by which an unattainable or unacceptable goal, emotion, or object is replaced by one that is more attainable or acceptable.
PREVIOUS AND NEXT TERMS--------------------------------------
Sialorrhea
Drooling.
Soma-tostatin
A chemical necessary for communication between nerve cells
Spasm
A condition in which a muscle or group of muscles involuntarily contract.
Striatum
Part of the basal ganglia, it is a large cluster of nerve cells, consisting of the caudate nucleus and the putamen, that controls movement, balance, and walking; the neurons of the striatum require dopamine to function.
Subarachnoid hemorrhage
A brain attack that occurs when a blood vessel on the surface of the brain ruptures and bleeds into the space between the brain and the skull (but not into the brain itself).
Substantia nigra
Sustention tremor
A tremor of a limb that increases when the limb is stretched.
Synapse
A tiny gap between the ends of nerve fibers across which nerve impulses pass from one neuron to another; at the synapse, an impulse causes the release of a neurotransmitter, which diffuses across the gap and triggers an electrical impulse in the next neuron.
Saliva
Clear lubricating fluid in the mouth containing water, enzymes, bacteria, mucus, viruses, blood cells and undigested food particles.
Saliva ejector
Suction tube placed in the mouth to remove saliva.
Salivary glands
Located under tongue and in cheeks, produce saliva.
We thank you for using the Health Dictionary to search for Substantia nigra. If you have a better definition for Substantia nigra than the one presented here, please let us know by making use of the suggest a term option. This definition of Substantia nigra may be disputed by other professionals. Our attempt is to provide easy definitions on Substantia nigra and any other medical topic for the public at large.This dictionary contains 25007 terms. |
|
|
