lactosuria (lak-to-su're-ah)

Presence of lactose in the urine; sometimes seen in pregnant or nursing women. [Lat., lac, milk, -j- Gr., our on, urine.] Jjactuca (lak-tu'kah). Syn.: herb a lactucae, herb a laciucae virosae (2d def.). 1. Lettuce, a genus of composite plants. 2. The flowering herb of L. virosa. Jj. sativa. The common garden lettuce. Li. virosa. Acrid lettuce; found in Europe, abounding in a bitter, milky, unpleasantly smelling juice which was long reputed to be diuretic and narcotic. It furnishes the lactucarium of the U. S. Ph. [Lat., lac, milk.] lactucarium (lak-tu-ka're-um). The concrete juice of several species of Lactuca. In the U. S. Ph. that of Lactuca virosa. extractum lactucarii fluidum. [U. S. Ph.]. Fluidextract of 1. syrup us lactucarii [U. S. Ph.], A preparation representing 5 per cent, of 1. with syrup. tinctura lactucarii [U. S. Ph.]. A 50 per cent, tincture of 1., from which insoluble matter has been removed. Used for the preparation of the syrup. [Lat., lac, milk.] lactucerin (lak-tu'se-rin). Syn.: lactucone._ A crystalline constituent of lactucarium. [Lat., lactuca, lettuce.] lactyltropein (lak-til-tro'pe-in). A product of the action of lactic acid on trope in; said to strengthen the heart's action and the respiration. lacuna (lak-u'nah). 1. A small crypt, cavity, or depre ion. 2. In embryology, a space formed between the vitellus and the vitelline membrane by the shrinkage of the former consequent on the extrusion of the polar globules from the germinal vesicle. absorption lacunae, bone lacunae. lacunae.SeeTheHozvship's isolated ovoid spaces situated mostly between the o eous lamellae, and connected with one another by canaliculi. Each 1. contains, during life, a protoplasmic body or bone cell, havers i an lacunae. The lacunae between the havers i an lamellae. Heme's lacunae. Lacunae separating the muscular fasciculi of the heart. How ship's lacunae. 1. The absorption pits at the surface of bone next the periosteum. 2. Rece es or excavations in bone filled with granulation ti ue, the result of caries, inter villous lacunae. Syn.: placental blood spaces. The sinuses of the maternal portion of the placenta in which the fetal placental villi hang free, lacunae Morgagni. Rece es in the mucous membrane of the male urethra, lacunae of cementum. Lacunae in the cement of teeth resembling those in bone, lacunae of the cornea. Interspaces between the laminae of the cornea, lacunae of the urethra. Rece es in the mucous membrane of the urethra, most abundant along the floor and especially in the bulb. 1. vasorum (cruralium). Internal aperature of femoral canal. [Lat., dim. of lac us, lake.]