| lactate level | A test that measures the amount of lactic acid in the blood. Lactic acid is an intermediate product of carbohydrate metabolism and is derived mainly from muscle cells and red blood cells. Exercise will normally raise lactic acid levels. Conditions of oxygen deprivation (for example shock, heart failure, lung disease) will trigger anaerobic metabolism within muscle tissue resulting in lactic acid build up in the tissues. Normal lactic acid levels are 4.5 to 19.8 mg/dl. (27 Sep 1997) |
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| lactate-2-sulfate sulfatase | <enzyme> Shows no activity for (l)-isomer Registry number: EC 3.1.6.- Synonym: d-lactate-2-sulfate sulfatase, d-lactate-2-sulfatase (26 Jun 1999) |
| lactated Ringer's injection | A sterile solution of calcium chloride, potassium chloride, sodium chloride, and sodium lactate in water for injection; used intravenously as a systemic alkaliser and a fluid and electrolyte replenisher. (05 Mar 2000) |
| lactated Ringer's solution | A solution containing NaCl, sodium lactate, CaCl2(dihydrate), and KCl in distilled water; used for the same purposes as Ringer's solution. Synonym: Hartmann's solution. (05 Mar 2000) |
| lactates | Salts or esters of lactic acid containing the general formula ch3chohcoor. (12 Dec 1998) |
| lactating adenoma | <tumour> An uncommon adenoma of the breast composed of tubuloacinar structures with pronounced secretory changes such as seen in pregnancy and lactation. (05 Mar 2000) |
| lactation | <obstetrics> The period of the secretion of milk. Origin: L. Lactatio, from lactare = to suckle (18 Nov 1997) |
| lactation amenorrhoea | Physiological suppression of menses while nursing. (05 Mar 2000) |
| lactation disorders | Disturbances of milk secretion in either sex, not necessarily related to pregnancy. (12 Dec 1998) |
| lactation hormone | <protein> Pituitary lactogenic hormone (23 kD) Synthesised on endoplasmic reticulum bound ribosomes as preprolactin that has an N terminal signal peptide that is cleaved from the mature form. The conversion of preprolactin to prolactin has been much used as an assay for membrane insertion. (18 Nov 1997) |
| lactational | Relating to lactation. (05 Mar 2000) |
| lactational mastitis | Mastitis, usually suppurative, occurring in the later part of the puerperium. Synonym: lactational mastitis. (05 Mar 2000) |
| lactatriaosylceramide beta 1-3 galactosyltransferase | <enzyme> Glycolipid beta 1-3 galactosyltransferase Registry number: EC 2.4.1.- Synonym: ltc 1-3 galactosyltransferase (26 Jun 1999) |
| lacteal | 1. Pertaining to, or resembling, milk; milky; as, the lacteal fluid. 2. <anatomy> Pertaining to, or containing, chyle; as, the lacteal vessels. Origin: L. Lacteus milky, fr. Lac, lactis, milk. Cf. Galaxy, Lettuce. <anatomy> One of the lymphatic vessels which convey chyle from the small intestine through the mesenteric glands to the thoracic duct; a chyliferous vessel. Source: Websters Dictionary (01 Mar 1998) |
| lacteal cyst | A retention cyst in the mammary gland resulting from closure of a lactiferous duct. Synonym: milk cyst. (05 Mar 2000) |