See Also: sympatho-(medicine)
sympatho-(dictionary)

sympatho- (iou)



sympatho- combining form.
[from SYMPATH(ETIC: see -O-.]
Forming nouns and adjectives in sense 'of or pertaining to the sympathetic nervous system'.
sympatho-a'drenal adjective (Physiology) pertaining to or involving the sympathetic nervous system and the medulla of the adrenal gland, and their activity M20.
sympathoblast noun (Medicine) a small relatively undifferentiated cell formed in the early development of nerve tissue which develops into a sympathetic neurone M20.
sympathoblas'toma noun, pl. -mas, -mata , Medicine a malignant tumour composed chiefly of sympathoblasts M20.
sympatho'gonia noun pl. [Greek gonos offspring, begetting] Medicine undifferentiated embryonic cells of the sympathetic nervous system which give rise to sympathoblasts M20.
sympathogoni'oma noun, pl. -mas, -mata , Medicine a malignant tumour composed chiefly of sympathogonia M20.
sympatho'lytic adjective (Medicine) annulling or opposing the transmission of nerve impulses in the sympathetic system M20.
sympathomi'metic adjective & noun (Pharmacology) (a) adjective producing physiological effects characteristic of the sympathetic nervous system by promoting the stimulation of sympathetic nerves; (b) noun a substance which does this: E20.
sympathotropic adjective (Pharmacology) = SYMPATHICOTROPIC M20.