| ESS | empty sella syndrome; endostreptosin; erythrocyte-sensitizing substance; euthyroid sick syndrome; ev... |
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| E-sub | excitor substance |
| FMS | fat-mobilizing substance; Fellow of the Medical Society; fibromyalgia syndrome; full mouth series |
| FRS | Fellow of the Royal Society; ferredoxin-reducing substance; first rank symptom; furosemide |
| GSS | gamete-shedding substance; General Social Survey; Gerstmann-Straussler-Scheinker [disease] |
| interspongioplastic substance | An obsolete term for cytochylema. (05 Mar 2000) |
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| threshold substance | Any material (e.g., glucose) that is excreted in the urine only when its plasma concentration exceeds a certain value, termed its threshold. Synonym: threshold body. (05 Mar 2000) |
| tigroid substance | The material consisting of granular endoplasmic reticulum and ribosomes that occurs in nerve cell bodies and dendrites. Synonym: basophil substance, basophilic substance, chromophil substance, Nissl bodies, Nissl granules, substantia basophilia, tigroid bodies, tigroid substance. (05 Mar 2000) |
| ergastic substance | Metabolically inert products of photosynthesis, such as starch grains and fat globules. (18 Nov 1997) |
| exophthalmos-producing substance | A factor found in crude extract of pituitary tissue that produced exophthalmos in laboratory animals (especially fish). Its existence and role in producing exophthalmopathy in Graves' disease is questioned. (05 Mar 2000) |
| Kendall's substance | A group of corticosteroids. Kendall's compound A (11-dehydrocorticosterone); Kendall's compound B (corticosterone); Kendall's compound E (cortisone); Kendall's compound F (cortisol). Synonym: Kendall's substance. (05 Mar 2000) |
| united states substance abuse and mental health services administration | An agency of the public health service concerned with the overall planning, promoting, and administering of programs pertaining to substance abuse and mental health. It is commonly referred to by the acronym samhsa. On 1 october 1992, the united states alcohol, drug abuse, and mental health administration (adamha) became samhsa. (telephone communication with samhsa 7 april 1992) (12 Dec 1998) |
| zymoplastic substance | <haematology> Traditional name for substance in plasma that converts prothrombin to thrombin. Now known not to be a single substance. (See thrombin). (18 Nov 1997) |
| filar substance | A filamentous plasmatic material, beaded with granules, demonstrable by means of vital staining in the immature red blood cells. Synonym: alpha substance, filar mass, filar substance, substantia reticularis, substantia reticulofilamentosa. Synonym: reticular formation. (05 Mar 2000) |