LACTAMIN 



652 



LACTOSE 



Lactamin (lak f -tam-in) . See Alanin. 



Lactant (lak'-tant) [lactare, to suckle]. Suckling. 



Lactate (lak'-tat) [lactare, to suckle]. Any salt of 

 lactic acid. 



Lactated Food. A Liebig's food for infants. Its 

 composition is : Water 7.76; fat 1.64; starch 36.43; 

 soluble carbohydrates 39.0; albuminoids 11.85 ; ash 

 2.61 ; milk-sugar 29.65. 



Lactatic (lak-tat'-ik). See Galactagogue. 



Lactation (lak-ta' 'shun) [lactatio ; lactare, to suckle]. 

 Suckling ; the period during which the child suckles. 



Lacteal (lak'-te-al) [lac, milk]. 1. Pertaining to milk. 

 2. Any one of the lymphatics of the small intestine 

 that take up the chyle. 



Lactean (lak'-te-an) [lac, milk]. See Lacteal. 



Lactei'n (lak'-te-in) [lac, milk]. Same as Lactolin. 



Lacteous (lak' -te-us). See Lacteal. 



Lactescence (lak-tes' '-ens) \_lactescere, to turn to milk] . 

 Milkiness (often applied to the chyle) . 



Lactescent {lak-tes' -ent) [lactescere, to turn to milk]. 

 Milky, or secreting a milky sap or fluid. 



Lactic (lak'-tik) [lac, milk] . Pertaining to milk or its 

 derivatives. L. Acid. See Acid, Lactic, and Stains, 

 Table of. L. Ether, (C 4 H 5 O.C 6 H 5 O 5 )C 10 H 10 O 6 . A 

 colorless substance resulting from the distillation of 

 equal parts of calcium lactate, absolute alcohol, and 

 sulphuric acid. It is soluble in water, in alcohol, 

 and in ether, and boils at 77 C. L. Fermentation. 

 See Fermentation. 



Lactica {lak' -tik-ak) [lac, milk]. An old name for 

 typhoid fever. 



Lactid (lak'-tia) [lac, milk], C 6 H 8 4 . A volatile sub- 

 stance, one of the anhydrids of lactic acid produced 

 by dry distillation of that acid. It crystallizes from 

 alcohol in rhombic plates that melt at 124.5 C. , and 

 boil at 255 C. ; it dissolves slowly in water, with 

 the gradual formation of lactic acid. 



Lactiferous (lak-tif -er-us) [lac, milk ; ferre, to carry]. 

 A term applied to vessels that convey milk. L. 

 Ducts, the ducts of the mammary gland. L. 

 Glands, the mammary glands. L. Swelling, a dis- 

 tention of the breast arising from obstruction of a 

 lactiferous duct. 



Lactific (lak-tif ' -ik) [lac, milk ; facere, to make]. 

 Producing milk. 



Lactiflorous (lak-tiflo'-rus) [lac, milk; Jlos, flower]. 

 In biology, having milk-white flowers. 



Lactiform (lak' -tif-orm) [lac, milk; forma, form]. 

 Resembling milk. 



Lactifuge (lak'-tifuj ) [lac, milk ; fugare, to drive 

 away] . A drug or agent that causes a lessening in 

 the secretion of milk. 



Lactigenous (lak-tif -en-us) [lac, milk ; yevvav, to pro- 

 duce]. Milk-producing. 



Lactimid (lak'-lim-id) [lac, milk; imid~\, C 3 H 5 NO. 

 A substance produced by heating alanin in a current 

 of HC1 to 180-200 C. It consists of colorless leaf- 

 lets or needles that melt at 275 C. , and dissolve readily 

 in alcohol and in water. 



Lactin (lak' -tin) [lac, milk]. Sugar of milk ; lactose. 



Lactinated (lak'-tin-a-ted) [lac, milk]. Containing 

 sugar of milk. 



Lactiphagous (lak-tif -ag-us) [lac, milk ; tpayeiv, to 

 eat]. Consuming milk. 



Lactipotous (lak-tip' -o-tus) [lac, milk ; potare, to 

 drink]. Milk-drinking. 



Lactis (lak'-tis) [gen. of lac, milk]. Pertaining to 

 milk. L. redundant ia, an excessive flow of milk. 

 L. retentio, suppression of the flow of milk. 



Lactisma (lak-tiz' -man) [aAktio/ici; AanTi^eiv, to kick : 

 //. , Lactismata~\. The kicking or motion of the fetus 

 in utero. 



Lactivorous (lak-liv' -or-us) [lac, milk ; vorare, to de- 

 vour] . Subsisting on milk. 



Lacto- (lak' -to-) [lac, milk]. A Latin prefix denoting 

 connection with or relation to milk. L. -pepsin, a 

 preparation of pepsin. According to Heger, its com- 

 position is: Pure pepsin 10 parts, pancreatin 7.6 

 parts, sugar of milk 50 parts, extract of malt 5 parts, 

 lactic acid 2.6 parts, hydrochloric acid (25 per cent.) 

 10 parts, glycerin 20 parts. To this is added enough 

 powdered tragacanth to make a pill-mass. The adult 

 dose is about 15 grains. L.-peptine, a proprietary 

 mixture claimed to contain pepsin, diastase, and pan- 

 creatin, acidulated with lactic and hydrochloric acids. 

 One dram should peptonize ^ viij of albumin, casein 

 or fibrin, or emulsionize ^ xvj of cod-liver oil. Dose, 

 gr. v-xv. See Pepsin. Unof. L. -peptone, same 

 as L. -peptine. L. -phosphate, any phosphate combined 

 with lactic acid. L.-proteid, any proteid of milk, as 

 caseinogen or lactalbumin. L. -protein, a derivative 

 of milk. 



Lactobiose (lak-to' -be-os). See 

 Galactose. 



Lactobutyrometer (lak-to-bu-tir- 

 om'-et-er) [lac, milk ; fiovTvpov, 

 butter; /xerpov, measure]. An 

 instrument used in estimating the 

 proportion of butter in milk. 



Lactocele (lak'-to-sel) [lac, milk ; 

 ktjAt], tumor]. A cyst containing 

 a milky fluid. Same as Galac- 

 tocele. 



Lactocrit (lak' -to-krit) [lac, milk ; 

 npiTTjq, a judge]. An apparatus 

 for testing the quantity of fatty 

 substance in a sample of milk. 



"L&cxo&ensxmeterijak-to-den-sim'- 

 et-er) [lac, milk ; densus, dense ; 

 /xirpov, measure]. A variety of ^> vj M." 

 lactometer. f f \ 



Lacto-globulin(/tf/£-to-£7k3 / -«-/z'») 

 [lac, milk ; globus, a ball]. One 

 of the native proteids of milk ; 

 lactalbumin. 



Lactoglucose (lak-to-glu'-kos) [lac, 

 milk; yAvuvq, sweet]. A saccha- 

 rine substance, produced in the 

 fermentation-fluid along with ga- 

 lactose. It is probably the same 

 as glucose. 



Lactokrit (lak'-to-kril). See Lac- 

 tocrit. 



Lactolin (lak'-to-lin) [lac, milk ; 

 oleum, oil]. Condensed milk. 



Lactometer (lak-tom' -et-er). An 

 instrument for determining the 

 specific gravity of milk. 



Lactone (lak' -ton) [lac, milk], 

 CjqH 8 4 . An aromatic, colorless, 

 inflammable fluid, derived from 

 the dry distillation of lactic acid. 

 The lactones are generally liquids, SSi'^,^'^ 

 readily soluble in water, of neutral ton. StemontheW 

 reaction, possessing a faintly aro- 

 matic odor, and can be distilled 

 without decomposition. 



Lactonic Acid (lac- ton' -ik). See 

 Acid. 



Lactoscope (lak' -to-skop) [lac, milk ; mo 



amine]. An instrument for estimating the proportioni 

 of water and fat-globules of milk. 



Lactose (lak'-tos) [lac, milk], C lt H M O n + H,0. Milk 

 sugar; it occurs in the milk of mammals, in the 



I.ACTOMH I "KK. 



gradtl 

 adopted in New 

 York. Central stem 

 graduated to show 

 percentage of 



