| domperidone | <chemical> A specific blocker of dopamine receptors. It speeds gastrointestinal peristalsis, causes prolactin release, and is used as antiemetic and tool in the study of dopaminergic mechanisms. Pharmacological action: antiemetics, dopamine antagonists. Chemical name: 2H-Benzimidazol-2-one, 5-chloro-1-(1-(3-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)propyl)-4-piperidinyl)-1,3-dihydro- (12 Dec 1998) |
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| TAB vaccine | A suspension of killed typhoid and paratyphoid A and B bacilli. See: typhoid vaccine. Synonym: TAB vaccine. (05 Mar 2000) |
| Nelson, Don | <person> U.S. Internist, *1925. See: Nelson syndrome, Nelson tumour. (05 Mar 2000) |
| nelson syndrome | <syndrome> A syndrome characterised by deep pigmentation and the presence of an acth-msh secreting adenoma of the pituitary gland developing after adrenalectomy for cushing's syndrome. at present it is not known whether the adenoma occurs de novo or represents enlargement of a previously undetected tumour. (12 Dec 1998) |
| Nelson tumour | A pituitary tumour causing the symptoms of Nelson syndrome. (05 Mar 2000) |