| SPF | skin protection factor; specific-pathogen free; spectrophotofluorometer; S-phase fraction; split pro... |
|---|---|
| SPLATT | split anterior tibial tendon |
| SRF | severe renal failure; skin reactive factor; somatotropin-releasing factor; split renal function; sub... |
| SRFS | split renal function study |
| STAG | slow-target attaching globulin; split-thickness autogenous graft |
| product-moment correlation | A statistical procedure which yields the correlation coefficient referred to as r (-1.00 to +1.00) and involves the actual values, rather than the ranks (rank order) of the measurements. (05 Mar 2000) |
|---|---|
| product packaging | Form in which product is processed or wrapped and labelled. (12 Dec 1998) |
| product recovery | The process of separating a desired recombinant protein from the growth medium and the other elements in the host cells in which it was grown. (14 Nov 1997) |
| product surveillance, postmarketing | Surveillance of drugs, devices, appliances, etc., for efficacy or adverse effects, after they have been released for general sale. (12 Dec 1998) |
| secondary product | <plant biology> End product of plant cell metabolism, which accumulates in or is secreted from, the cell. Includes anthocyanins, alkaloids, etc. Some are of major economic importance, for example as drugs. In contrast to a primary product that is involved in the vital metabolism of the plant. (18 Nov 1997) |
| spallation product | An atomic species produced in the course of the spallation of any atom. (05 Mar 2000) |
| substitution product | A product obtained by replacing one atom or group in a molecule with another atom or group. (05 Mar 2000) |
| double product | The product of systolic blood pressure multiplied by the heart frequency; a measure of heart work load. See: Robinson index. (05 Mar 2000) |
| trade name product | <pharmacology> Trademarked proprietary preparations containing the generic substance. Some foreign trade name products have been selectively included here due to the relative popularity of the generic medication. (17 Mar 1998) |
| end product | <biochemistry> The final product of after a series of reactions with enzymes in a biochemical metabolic pathway has taken place. (09 Oct 1997) |
| end product inhibition | <biochemistry, physiology> The process of the end product of a particular metabolic reaction inhibiting an allosteric enzyme involved in that reaction as the reaction starts again, thus breaking the reaction cycle. (09 Oct 1997) |
| end product repression | Catabolite repression in which the catabolite is an end product of a particular pathway. (05 Mar 2000) |
| fission product | An atomic species produced in the course of the fission of a larger atom such as 235U. (05 Mar 2000) |