(n.) The second stomach of ruminants, in which folds of the mucous membrane form hexagonal cells; -- also called the honeycomb stomach.
(n.) The neuroglia.
Example Sentences:
(1) Cyclic AMP stimulated phosphorylation by [gamma-32P]ATP of two proteins of apparent Mr = 20,000 and 7,000 that were concentrated in sarcoplasmic reticulum, but the stimulation was markedly dependent on the presence of added soluble cyclic AMP-dependent protein kinase.
(2) We have examined the insertion of bovine 17 alpha-hydroxylase (P45017 alpha) into the endoplasmic reticulum of COS 1 cells to evaluate the functional role of its hydrophobic amino-terminal sequence and membrane insertion.
(3) By 24 hr, rough endoplasmic reticulum in thecal cells increased from 4.2 to 7% of cell volume, while the amount in granulosa cells increased from less than 3.5% to more than 10%; the quantity remained relatively constant in the theca but declined to prestimulation values in the granulosa layer.
(4) The cis isomer was retained longer in liver, particularly in mitochondria, but had low retention in that portion of the endoplasmic reticulum isolated as the rough membrane fraction.
(5) Freshly isolated sarcoplasmic reticulum vesicles contain 0.05 mol of tightly bound ADP and 0.03 mol of tightly bound ATP per mol of Ca2+, Mg2+-ATPase (ATP phosphohydrolase, EC 3.6.1.3).
(6) Using an antibody to the nerve growth factor receptor (NGFR), we examined dendritic reticulum cells (DRCs) immunohistochemically in 62 formalin-fixed, paraffin-embedded lymph nodes from patients with reactive follicular hyperplasia or with various types of lymphoma.
(7) Combined SEM and TEM examination of the endothelium of compressed segments revealed "craters" and "balloons", blebs and vacuoles, swollen mitochondria, dilated granular endoplasmic reticulum, and subendothelial edema.
(8) In the case of the reticulum cell sarcoma, the tumor had not reappeared in some of the animals two months after cessation of treatment.
(9) This heretogeneity occurred mainly as a progressive, decreasing gradient in the first half of this pathway, between the rough endoplasmic reticulum and the mi-cisternae of the Golgi apparatus.
(10) Electron microscopy revealed a well-developed rough endoplasmic reticulum, an enlarged Golgi apparatus and many highly electron-dense secretory granules resembling those of Clara cells.
(11) These early hyperplastic lesions revealed stellate-shaped dilated bile canaliculi lined by blebs and abnormally thick elongated microvilli, a decreased number of microvilli on the sinusoidal surface, a marked increase in smooth endoplasmic reticulum, large nucleoli, and bundles of pericanalicular microfilaments.
(12) Four fractions enriched, respectively, in plasma membrane (PM), smooth endoplasmic reticulum (SER), rough endoplasmic reticulum (RER), and mitochondria were isolated from estrogen-dominated rat myometrium.
(13) Comparison of the native and derivatized wheat germ CaMs with native bovine testis CaM indicates that the concentrations of these proteins required for half-maximal stimulation of either erythrocyte membrane Ca2+-ATPase activity or cardiac sarcoplasmic reticulum phosphorylation are very similar.
(14) Electron microscopic evaluation of microsomal fractions showed elements of the plasma membrane, including cilia and microvilli, as well as rough and smooth endoplasmic reticulum.
(15) This change in cholesterol esterification appears to be the result of reductions in the activity of acyl-CoA:cholesterol acyltransferase (ACAT) in the endoplasmic reticulum of the macrophages incubated with the n-3 polyunsaturated fatty acids.
(16) Ribosomes attached to the reticulum lost polysomal arrangement.
(17) In muscle cells the mitochondria were in the process of dissolving and the sarcoplasmic reticulum formed elongate cisternae.
(18) The unique structure we describe is a cytoplasmic organelle which, like annulate lamellae, is closely associated with the endoplasmic reticulum and is presumed to be related to the genesis of rough-surfaced endoplasmic reticulum in tumor cells.
(19) We have studied the effects of clinically useful anthraquinones on the cardiac sarcoplasmic reticulum calcium-release channel.
(20) The smooth endoplasmic reticulum present in the terminals of the offshoots of the light pinealocytes is possibly involved in pineal indoleamine synthesis.
Ruminant
Definition:
(a.) Chewing the cud; characterized by chewing again what has been swallowed; of or pertaining to the Ruminantia.
(n.) A ruminant animal; one of the Ruminantia.
Example Sentences:
(1) 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.
(2) In the clinical trials in which there was complete substitution of fat-modified ruminant foods for conventional ruminant products the fall in serum cholesterol was approximately 10%.
(3) The different hydrolytic, fermentative and methanogenic activities of these populations ensure the efficient degradation of cell wall constituent in forages (cellulose, hemicellulose, pectin) ingested by ruminants.
(4) Ruminal digestion (% of intake) of neutral detergent fiber (NDF) and hemicellulose decreased linearly (P less than .05), whereas acid detergent fiber (ADF) digestion responded in a cubic (P less than .05) fashion to increasing concentrate level; NaHCO3 improved ruminal digestion of NDF (P less than .10) and ADF (P less than .05), but not hemicellulose.
(5) 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.
(6) Extents of in situ ruminal digestion (72 h residue) for NDF, hemicellulose and cellulose were lower (P less than .05) for full-head than for late-boot-stage bromegrass.
(7) Consistent with the convergence hypothesis, only those sites that specify amino acids in the mature lysozyme are shared uniquely with ruminant lysozyme genes.
(8) Each of the primary stress selected isolates was tested in synthetic saliva, rumen fluid simulating the activity in the rumen, rumen fluid followed by pepsin-hydrochloric acid treatment simulating the additional effect of ruminal and abomasal activity, pepsin-hydrochloric acid solution simulating conditions in the abomasum and finally in a trypsin solution as an example of enzyme activity in the gut.
(9) It follows from the results that the effectiveness of some antifasciolics on laboratory animals need not always be in correlation with their effect in ruminants - hence it is necessary to verify the results obtained in laboratory animals and to check them on natural F. hepatica hosts.
(10) Ruminal lactate concentrations were variable within and among treatments.
(11) Data from the literature on the clinical effects of bacterial endotoxins in ruminants are reviewed.
(12) The strains of BTV serotype 11 were mild in their pathogenicity for the ruminants as no clinical signs of disease were seen.
(13) On defaunation of the rumen to remove ciliated protozoa the concentration of phosphatidylcholine in ruminal digesta falls markedly and becomes lower than that in abomasal digesta.
(14) The effect of ubiquitous clostridial infections on ruminants is discussed.
(15) Rauschia gen. nov. (type species: R. triangularis) is created for species previously pertaining to Nematodirus parasite of Lagomorpha, and in which the synlophe, very complex, differs from the synlophe of the parasite of Ruminants.
(16) When the rate of ruminal epithelial cell proliferation was measured on the basis of 3H-thymidine incorporation into the cellular DNA, butyrate dose-dependently reduced 3H-thymidine incorporation.
(17) Ruminal ammonia, molar percentage butyrate, and blood ketones, plasma urea N, and plasma molar percentage butyrate were lower when hay was fed.
(18) Breakdown of LP by rumination was calculated from the weight of total particles regurgitated and the proportion of LP in the regurgitated and swallowed remasticated material.
(19) Single doses of (15NH4)2SO4 were infused into ruminal pools to determine N kinetics.
(20) Nickel did not alter methane production, carcass characteristics or ruminal volatile fatty acid proportions.