| fatty streak | <pathology> Superficial fatty patch in the artery wall caused by the accumulation of cholesterol and cholesterol oleate in distended foam cells. (18 Nov 1997) |
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| vascular-streak dieback | A fungal disease of the cacaotree caused by Oncobasidium theobromae. (09 Oct 1997) |
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| germinal streak | An ectodermal ridge in the midline at the caudal end of the embryonic disk from which arises the intraembryonic mesoderm; achieved by inward and then lateral migration of cells; in human embryos, it appears on day 15 and gives a cephalocaudal axis to the developing embryo. Synonym: germinal streak. (05 Mar 2000) |
| gonadal streak | A form of aplasia in which the ovary is replaced by a functionless tissue, as found in Turner's syndrome. Synonym: streak gonad. (05 Mar 2000) |
| meningitic streak | A line of redness resulting from drawing a point across the skin, especially notable in cases of meningitis. Synonym: tache cerebrale, tache meningeale, Trousseau's spot. (05 Mar 2000) |
| primitive streak | An ectodermal ridge in the midline at the caudal end of the embryonic disk from which arises the intraembryonic mesoderm; achieved by inward and then lateral migration of cells; in human embryos, it appears on day 15 and gives a cephalocaudal axis to the developing embryo. Synonym: germinal streak. (05 Mar 2000) |
| streak | 1. A line or long mark of a different colour from the ground; a stripe; a vein. "What mean those coloured streaks in heaven?" (Milton) 2. A strake. 3. <chemical> The fine powder or mark yielded by a mineral when scratched or rubbed against a harder surface, the colour of which is sometimes a distinguishing character. 4. The rung or round of a ladder. Origin: OE. Streke; akin to D. Streek a line, stroke, G. Strich, AS. Strica, Sw. Strek, Dan. Streg, Goth. Stricks, and E. Strike, stroke. See Strike, Stroke, and cf. Strake. Source: Websters Dictionary (01 Mar 1998) |
| streak culture | A culture produced by lightly stroking an inoculating needle or loop with inoculum over the surface of a solid medium. (05 Mar 2000) |
| streak gonad | A form of aplasia in which the ovary is replaced by a functionless tissue, as found in Turner's syndrome. Synonym: streak gonad. (05 Mar 2000) |
| streak hyperostosis | A hypertrophying and condensing osteitis which tends to run in longitudinal streaks or columns, like wax drippings on a candle, and which involves a number of the long bones. Synonym: flowing hyperostosis, streak hyperostosis. Origin: rheo-+ G. Osteon, bone, + -osis, condition (05 Mar 2000) |
| activated fatty acid | A fatty acyl-coenzyme A thiol ester. (05 Mar 2000) |
| branched-chain fatty-acid-kinase | <enzyme> From anaerobic spirochete ma-2 Registry number: EC 2.7.2.14 Synonym: isovalerate kinase, 2-methylbutyrate kinase, isobutyrate kinase (26 Jun 1999) |
| branched-chain fatty acid synthetase | <enzyme> Analogous to fatty acid synthetase complex but starting with a branched chain keto acid; from bacillis subtilis Registry number: EC 2.3.1.- Synonym: bcfa synthetase (26 Jun 1999) |
| volatile fatty acid number | An index of the volatile acid content of a fat; the number of milliliters of 0.1 n KOH required to neutralise the soluble volatile fatty acids in 5 g of fat that has been saponified, acidified to liberate the fatty acids, and then steam-distilled. Synonym: volatile fatty acid number. (05 Mar 2000) |
| monounsaturated fatty acids | A fatty acid chain with at least two empty spaces that could be hydrogenated (have a hydrogen atom added). Saturated (hydrogenated) fatty acids are a greater health risk for the development of atherosclerotic vascular disease. (27 Sep 1997) |
| polyenoic fatty acid isomerase | <enzyme> Catalyses conversion of arachidonic acid and 5,8,11,14,17-eicosapentaenoic acid to 5,7,9,14-eicosatetraenoic acid and 5,7,9,14,17-eicosapentaenoic acid, respectively Registry number: EC 5.3.3.- Synonym: pfi enzyme (26 Jun 1999) |