(n.) A giving suck; the secretion and yielding of milk by the mammary gland.
Example Sentences:
(1) Increased plasmin activity was associated with advancing stage of lactation and older cows after appropriate adjustments were made for the effects of milk yield and SCC.
(2) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(3) 5-Azacytidine (I) stability was increased approximately 10-fold over its stability in water or lactated Ringer injection by the addition of excess sodium bisulfite and the maintenance of pH approximately 2.5.
(4) The data suggest that major differences may exist between ruminants and non-ruminants in the response of liver metabolism both to lactation per se and to the effects of growth hormone and insulin.
(5) Phenotypic relationships were examined between final score and 13 type appraisal traits and first lactation milk yield from 2935 Ayrshire, 3154 Brown Swiss, 13,110 Guernsey, 50,422 Jersey, and 924 Milking Shorthorn records.
(6) Lactate dehydrogenase activity was higher in the amnion than in the chorion (p less than 0.01).
(7) Examination of the SON in such animals revealed that the oxytocinergic system is already modified by day 12 of dioestrus; during suckling-induced lactation, the anatomical changes are identical to those seen during a normal post-partum lactation.
(8) Plasma membranes were isolated from rat kidney and their transport properties for sodium, calcium, protons, phosphate, glucose, lactate, and phenylalanine were investigated.
(9) The expression of the mRNA for mouse testicular lactate dehydrogenase (LDH-X) was examined by RNA:cDNA hybridization in situ in the testis and by Northern analyses of meiotic and postmeiotic spermatogenic cell populations.
(10) In some experiments heart rate and minute ventilation (central vactors) appear to be the dominant cues for rated perceived exertion, while in others, local factors such as blood lactate concentration and muscular discomfort seem to be the prominent cues.
(11) Lactate-induced anxiety and symptom attacks without panic were seen more often in the groups with panic attacks, but a full-blown panic attack was provoked in only four subjects, all belonging to the groups with a history of panic attacks.
(12) Infusion of sodium lactate associated with isoproterenol could be used to combat the depressent effects of betablockers in patients with cardiac disorders.
(13) When labelled long-chain fatty acids or glycerol were infused into the lactating goat, there was extensive transfer of radioactivity into milk in spite of the absence of net uptake of substrate by the mammary gland.
(14) In lactate medium the capacity of each AIB carrier is unchanged but its affinity is reduced to one-third.
(15) In the dark the 6-azidoflavoproteins are quite stable, except for L-lactate oxidase, where spontaneous conversion to the 6-amino-FMN enzyme occurs slowly at pH 7.
(16) The relative effect of the intramammary infections and of different factors related to the cow (parity, stage of lactation, milk yield) on the individual cell counts, were studied for 30 months on the 62 black-and-white Holstein cows of an experimental herd.
(17) The failure rates of the 2 regimens to suppress lactation were similar; however, rebound lactation occurred in a small proportion of women treated with bromocriptine.
(18) Of the other patients, four panicked with sodium lactate, none with 5% CO2, and one with room air hyperventilation.
(19) Studies with liver mitochondria prepared from lactating hexachlorophene-fed rats showed a 50-75% inhibition of respiration with succinate as substrate.
(20) Total lactate dehydrogenase (LDH; EC 1.1.1.27) activity and the percentage distribution of LDH isoenzymes were determined in 127 patients with malignant diseases.
Lacteal
Definition:
(a.) Pertaining to, or resembling, milk; milky; as, the lacteal fluid.
(a.) Pertaining to, or containing, chyle; as, the lacteal vessels.
(n.) One of the lymphatic vessels which convey chyle from the small intestine through the mesenteric glands to the thoracic duct; a chyliferous vessel.
Example Sentences:
(1) It is suggested that the SP and CGRP-containing nerves in problem might be sensory in nature, possibly monitoring mechanical information from the lumen and wall of the central lacteal.
(2) The interconnected central lacteals in the villi overlying the interfollicular area were connected with the lymphatic plexus in the area.
(3) Likewise, a range of behavioural, physiological, lactational and lacteal changes related to other stressors are the effects of different types of stress.
(4) The passage of cells across the lymphatic endothelium of rat lacteals in both normal and non-pathological experimental conditions (fasting, lymphatic, stasis) was studied by means of serial thin sections and three-dimensional models.
(5) In the rats, Pu was retained in the epithelial cells on villi, but in the guinea pigs and primates it was confined to the macrophages under the epithelial cells in the lacteal region.
(6) These particles were present in the endoplasmic reticulum and Golgi apparatus, and in intercellular spaces and lacteals; they were most abundant in mucosa from mid-jejunum.
(7) These particles, morphologically similar to chylomicrons, were also present as aggregates of well-individualized lipid droplets within dilated vesicles in the Golgi zone, but were not seen in the intercellular spaces and lacteals.
(8) In contrast to these findings, IgM levels were found to be higher in lacteal secretions of first-litter sows and in piglet serum during the first days of life as compared to their counterparts.
(9) Histological and ultrastructural morphometry was performed on villous epithelium, stroma, blood vessels and lacteals at the three levels.
(10) Villi in the upper small intestine were broader than those in the lower small intestine, and contained two to five lacteals.
(11) The presence of a vestigial, lacteal incisor tooth is described in the laboratory rat.
(12) During fat absorption, chylomicrons with sizes up to 5,000-10,000 A must traverse an interstitium that has estimated pore sizes of 120-200 A to reach the lacteals.
(13) Although the above-described findings essentially coincide with our previous observations in canine duodenum (Ichikawa et al., 1991), the present study in the ileum demonstrated occasional nerve fibers protruding into the lacteal lumen with a knob-like swelling.
(14) Epithelial cell islands from fibroadenomas and from normal lacteal secretions completely excluded the fibroblasts, and individual cell territories were maintained even in dense cultures.
(15) Nevertheless, the standard score of weight at six months of age, compared with that previous to the introduction of lacteal supplements, did not differ significantly.
(16) The association between bovine lactoferrin and the major bovine whey proteins, beta-lactoglobulin, alpha-lactalbumin and albumin has been studied by immunochemical techniques, gel filtration and affinity chromatography in lacteal secretions and using purified proteins.
(17) The appearance time is defined as the time between placement of radioactive fatty acid into the intestinal lumen and the appearance of radioactive lipid in the central lacteal.
(18) Most of the bulbar structures of the nerve fibers are in contact with or surrounded by the central lacteal endothelial cells.
(19) An entero-mammary cell circulation provides the mechanism for conveying such specificity to the lacteal IgA antibodies.
(20) Individual villi in the lower intestine contained only one central lacteal that drained through a thin lymphatic in the glandular layer into the submucosal lymphatic plexus.