(n.) Any substance which has nutritious qualities, i. e., which nourishes or promotes growth.
Example Sentences:
(1) In addition to oncogenes, the transferred DNA contains genes that direct the synthesis and exudation of opines, which are used as nutrients by the bacteria.
(2) The most pronounced changes occurred during the initial hours of nutrient and energy deprivation.
(3) Plaque size, appearance, and number were influenced by diluent, incubation temperature after nutrient overlay, centrifugation of inoculated tissue cultures, and number of host cells planted initially in each flask.
(4) Confirmation of the striking correlation between increased urinary ammonia and lowered neonatal ponderal index may afford a simple test for the identification of nutrient-related growth retardation.
(5) Although it is known that the sphincter of Oddi exhibits a myoelectric response to intraluminal nutrients, the effect of specific dietary components has not been well characterized.
(6) The regimen used at the Hospital for Sick Children, Toronto, provides 2.0 to 2.5 gm protein per kilogram ideal body weight, plus adequate fluid and nutrient supplements.
(7) Malnutrition results from deficiency in one or more of these basic nutrients.
(8) Therefore these suggested methods of choice may not in every instance be the most accurate of all indicators of nutritional status for a particular nutrient.
(9) The intake of most nutrients was significantly depressed by approximately 10% during febrile illnesses.
(10) Microbial fermentation and nutrient degradation in the rumen were reduced by saponins.
(11) If begun before the animal becomes nutrient depleted, enteral feeding may better support the animal and avoid serious complications.
(12) Differences in the nutrient data bases were primarily due to the timing of data base updates, as well as to the differential use of industry, private, and government food analysis sources, procedural differences in data base updating, and random data entry error.
(13) The elastic properties of preserved human aortic homografts after different storage times in antibiotic-nutrient medium solution have been measured.
(14) The inoculum level of infected spores in nutrient broth-yeast extract-glucose medium affected the transducing efficiency of SP-10 in lysates of these cultures.
(15) The results of these trials suggest that increasing level of dietary NaHCO3 greatly increases the proportion of time ruminal pH is above critical levels for ruminal protein and dry matter digestion, but does not affect total tract nutrient digestion when 50% concentrate diets are fed.
(16) The diets of the Inuit, as of all Indigenous People, are not comprised solely of the historically traditional foods; however these foods are still vitally important as a source of nutrients and cultural definition.
(17) Seventy-six students and staff at Robert Gordon's Institute of Technology weighed their food for 1 week and the records were used to determine the frequency of consumption of foods and portion sizes, as well as nutrient intakes.
(18) A shortened nutrient data base can be a valid tool for estimating intakes of populations.
(19) Despite these diffuse nutrient abnormalities, only zinc and vitamin E concentrations correlated significantly with any index of visual function.
(20) Histologic examination of different levels of the nutrient arteries revealed many intraosseous pathologic vascular changes in apposition to the ischemic episode of the femoral head.
Perfusion
Definition:
(n.) The act of perfusing.
Example Sentences:
(1) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
(2) The vascular endothelium is capable of regulating tissue perfusion by the release of endothelium-derived relaxing factor to modulate vasomotor tone of the resistance vasculature.
(3) When perfusion of the affected lung was less than one-third of the total the tumour was found to be unresectable.
(4) To examine the central nervous system regulation of duodenal bicarbonate secretion, an animal model was developed that allowed cerebroventricular and intravenous injections as well as collection of duodenal perfusates in awake, freely moving rats.
(5) Myocardial ischaemia was induced in perfused rabbit hearts by ligating the left main coronary artery.
(6) Arginine vasopressin further reduced papillary flow in kidneys perfused with high viscosity artificial plasma.
(7) They are best explained by interactions between central sympathetic activity, brainstem control of respiration and vasomotor activity, reflexes arising from around and within the respiratory tract, and the matching of ventilation to perfusion in the lungs.
(8) Within the capillary-perfused mucosa and muscularis (between 50 and 2000 microns from the urothelial surface), concentrations decreased by 50% for each 500-microns distance.
(9) This method provided myocardial perfusion images of high quality which were well correlated with N-13 ammonia images.
(10) Infarct size is always expressed as a percentage of the perfusion area of the occluded artery.
(11) The results indicated that the role of contact inhibition phenomena in arresting cellular proliferation was diminished in perfusion system environments.
(12) These results indicate that FMLP increased a pulmonary microvascular permeability in isolated buffer-perfused rabbit lungs that is PMN dependent and mediated by LT produced possibly by a result of ROS production.
(13) While concentrations of fully glycosylated 35S-Cysteine rhEPO did not exhibit any detectable decrease during perfusion, desialo-35S-Cysteine rhEPO was rapidly cleared from the perfusate.
(14) Measurement of adenosine in coronary effluent and in ventricular tissue by radioimmunoassay verified that no residual elevated adenosine remained following perfusion and washout.
(15) In goldfish intestine (perfused unstripped segments and mucosal strips) the serosal addition of ouabain (10(-4) M) resulted in a vanishment of the transepithelial potential difference and in a continuous increase in transepithelial resistance.
(16) Adding prazosin (30 nM) to the perfusate completely (approximately 90%) reversed this effect (p less than 0.05), while alpha 2-adrenergic receptor blockade with yohimbine (300 nM) had no effect.
(17) Because isosmolar albumin solution is easier to prepare than hyperosmolar cryoprecipitated plasma and gives comparable results, it remains our perfusate of choice for continuous perfusion preservation.
(18) Similarly, the phosphorylation potential, phosphocreatine, adenosine triphosphate, and cyclic adenosine monophosphate were constant in the range of autoregulation but decreased directionally with coronary perfusion pressure below 110 cm H2O for both SHR and WKY rats.
(19) Studies were conducted in isolated, buffer-perfused rat lungs to determine if prostaglandin (PG) E1 attenuated pulmonary edema provoked by hydrogen peroxide (H2O2).
(20) The cardiac output increased by 29% after hemodilution without significant alterations in cerebral perfusion pressure and showed a good inverse correlation with the Hct and the WBV.