(from the article `parkinsonism`) Parkinsonism results from the deterioration of neurons in the region of the brain called the substantia nigra. These neurons normally produce the ... ...to be incapacitating. In the final stages the patient is unable to maintain an erect posture, speak, write, or focus the eyes. Although the loss ... ...
Found on
http://www.britannica.com/eb/a-z/s/179
A large cell mass, crescentic on transverse section, extending forward over the dorsal surface of the crus cerebri from the rostral border of the pons into the subthalamic region; it is composed of a dorsal stratum of closely spaced pigmented (i.e., melanin-containing) cells, the pars compacta, and a larger ventral region of widely scattered cells,...
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http://www.encyclo.co.uk/local/20973
an area of the brain where cells produce dopamine.
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http://www.encyclo.co.uk/local/21811
Black pigmented area of the midbrain where cells manufacture the neurotransmitter dopamine.
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http://www.encyclo.co.uk/visitor-contributions.php
Area of darkly pigmented dopaminergic neurons in the ventral midbrain thought to control movement and damaged in Parkinsonism.
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http://www.encyclo.co.uk/visitor-contributions.php
Type: Term Definitions: 1. a large cell mass, crescentic on transverse section, extending forward over the inner surface of the crus cerebri from the rostral border of the pons into the subthalamic region. It is composed of a dorsal stratum of closely spaced pigmented (melanin-containing) cells, the pars compacta [TA]; a larger ventral region of wi...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=86080
A group of nerve cell bodies in the mid-brain that contain dopamine. It is this part of the brain that degenerates in Parkinson's disease. The levels of the neurotransmitter dopamine are unusually low in Parkinson's patients. Replacement of dopamine is one strategy to relieve symptoms.
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https://www.encyclo.co.uk/local/20737
nucleus niger noun a layer of deeply pigmented grey matter in the midbrain; associated with the striate body; is involved in metabolic disturbances associated with Parkinson`s disease and with Huntington`s disease
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https://www.encyclo.co.uk/local/20974
a deeply pigmented area of the midbrain containing dopamine-producing nerve cells.
Found on
https://www.infoplease.com/dictionary/substantia-nigra
a layer of deeply pigmented grey matter in the midbrain
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https://www.vocabulary.com
No exact match found.
