(a.) Of, pertaining to, or resembling, mucus; slimy, ropy, or stringy, and lubricous; as, a mucous substance.
(a.) Secreting a slimy or mucigenous substance; as, the mucous membrane.
Example Sentences:
(1) Ten milliliters of the solution inappropriately came into contact with nasal mucous membranes, causing excessive drug absorption.
(2) These data suggest that basophilic cell function in the superficial mucous layer in the nose is of greater significance in the development of nasal symptoms in response to nasal allergy than either mucociliary activity or nasal mucosal hypersensitivity to histamine.
(3) Light microscopy of both apneics and snorers revealed mucous gland hypertrophy with ductal dilation and focal squamous metaplasia, disruption of muscle bundles by infiltrating mucous glands, focal atrophy of muscle fibers, and extensive edema of the lamina propria with vascular dilation.
(4) The activity of GP sulfotransferase was mainly distributed in the microsomal fraction, and was proportional to the incubation time, substrate (mucous GP) concentration and [35S]-PAPS concentration.
(5) In males, the percentage of animals having mucous cells increased with sexual maturation and attained 100 per cent at age six months.
(6) Chronic bronchitis, mucous hypersecretion, and liver disease, as well as a family history of emphysema, are associated conditions.
(7) The histological changes by light and electron microscopy in these patients demonstrates the metaplastic changes of the basal cell of the mucosa differentiating into mucous and keratin cells.
(8) Confirmatory tests of sinus disease are transillumination (useful in adolescents if interpretation is confined to the extremes--normal or absent); radiographic findings of opacification, mucous membrane thickening, or an air-fluid level; and sinus aspiration (indicated for severe pain, clinical failures, or complicated disease).
(9) In 40 patients with insulin-dependent diabetes mellitus, the number of gastrin cells in the mucous membrane of the antrum of the stomach was measured by immunohistochemistry according to the method of L. Sternberger.
(10) Incorporation of [2-14C] sodium acetate into 7-dehydrocholesterol ketoderivative, cholesta-4,7-dien-3-on, was studied in the tissues of the rat stomach secretory and esophageal parts and in the mucous and serous membranes of the small intestine.
(11) Microscopic examination showed that the tumor was an invasive papillary growth with numerous signet-ring cells and mucous production.
(12) As to the tissular and cellular levels, the possibility of a regulation of the enzymatic and transport systems of the microvilli by means of substrates contained in the mucous membrane of the small intestine and endogenous substances (permein and antipermein) was evinced.
(13) In the stationary group the bronchograms showed only a mild mucous reaction, and peripheral filling was generally good.
(14) Cellular mucus of the mucous cells from gastric epithelium and surface mucus from gastric mucosa were obtained by perfusion in vivo of Ghosh-Lai rat stomachs with 2 M NaCl.
(15) We concluded that abdominal irradiation caused the invasion of E. cloacae from the mucous membrane of the intestine and inhibited formation of lung metastases.
(16) Bronchoscopy may then be carried out in order to study the area surrounding the diverticular orifice more closely, and to establish the condition of its mucous lining.
(17) In the cells of the cardiac region (which occupy 65% of the stomach) at least three types of mucous droplet are present.
(18) The study using the urease test on mucous biopsies from the antral gastric part and from the duodenum of patients with chronic opisthorchiasis with endoscopic evidence of antral gastritis and gastroduodenitis, and from noninvaded patients with gastritis and duodenitis, some of them with the gastric or duodenal ulcers showed that the test was positive.
(19) A case of mucous metaplasia of mesothelium in an 80 year old woman is described.
(20) Since vitamin A is involved in the promotion of mucous-secreting cells, the premature neonate may be at greater risk than the term infant for diseases involving the mucosal epithelium, including necrotizing enterocolitis.
Villus
Definition:
(n.) One of the minute papillary processes on certain vascular membranes; a villosity; as, villi cover the lining of the small intestines of many animals and serve to increase the absorbing surface.
(n.) Fine hairs on plants, resembling the pile of velvet.
Example Sentences:
(1) The human placental villus tissue contains opioid receptors and peptides.
(2) The mean villus height for each rat was calculated and compared by two-way ANOVA to determine the effects of time and treatment.
(3) In the Netherlands, researchers studied the medical records of and followed-up on 151 women of advanced maternal age (at least 36 years old) who underwent amniocentesis or chorionic villus sampling (CVS) and elected to terminate the pregnancy due to an abnormal genetic finding (105 and 46 women, respectively) at Academic Hospital Rotterdam-Dijkzigt between January 1980 and December 1989.
(4) There was also a reduced crypt cell proliferation, a reduced villus height and a decreased ALP activity in the ileal mucosa.
(5) The following examinations could be proposed: in high risk cases determined before pregnancy, a chorionic villus sampling should be done between the 9th and 11th weeks of gestation; in low risk cases such as advanced maternal age, a first trimester chorionic villus sampling or a second trimester amniocentesis could be chosen; in the case of Down's syndrome, warning signs, for example ultrasonographic or biological parameters, a second trimester placental biopsy to relieve the parents' anxiety; in high risk cases such as ultrasonographic malformations, late placental biopsy or cordocentesis.
(6) Explants maintained villus-to-crypt ratio between 1:1 and 1.5:1 for 48 hours.
(7) The two membrane fractions obtained from villus cells and considered to be lateral-basal membranes were enriched for Na+,K+-ATPase activity, but one also showed enrichment in glycosyltransferase activity.
(8) The molecular mechanism of calcium transport in the villus cells has been examined.
(9) Succinylated wheat germ agglutinin bound more to crypt than to villus enterocytes.
(10) Altogether 10 reports on the safety of chorionic villus sampling, either by the transcervical (TC) or the transabdominal (TA) approach, were reviewed and combined with our own data.
(11) To address the evolving trends in the choice of transabdominal or transcervical chorionic villus sampling (CVS) at a teaching hospital and to evaluate the influence of gestational age on the approach chosen.
(12) Kinetic analysis is compatible with the suggestion that the glucose carriers are predominantly near the tip of the villus, whereas those for galactose and 3-O-MG are located along the entire villus and the Km * of their carriers at the tip is lower than their Km * towards the base of the villus.
(13) (ii) In young sucklings (10 days old), SC was virtually absent in both villus and crypt cells, but its concentration progressively increased in weanling rats and reached adult levels by day 40 postpartum.
(14) In both cases first trimester chorionic villus sampling and DNA haplotype analysis predicted that the fetus is a carrier for CF, and in the doubly affected family a carrier for beta-thalassaemia as well.
(15) In mammalian small intestine absorptive cells are known to migrate from the villus base to the villus tip from which they slough.
(16) Immunofluorescence studies employing monoclonal antibodies specific for villus and crypt cells in vivo, and various enzyme assays, have demonstrated a level of differentiation and maturation of the cultured epithelial cells similar but not identical to that of suckling intestinal mucosa in vivo.
(17) Features suggestive of a latent gluten-sensitive enteropathy were found in one of the other six DH patients; he developed disaccharidase deficiencies and villus atrophy when 20 g gluten was added to his usual gluten-containing diet.
(18) Chorionic villus sampling (CVS) has made possible the first-trimester prenatal diagnosis of CF.
(19) Integrity of the digestive tissue is dependent on continuous coordination between cell growth and maturation along the crypt- villus axis.
(20) Sucrase-isomaltase (SI) is an enterocyte-specific, brush-border enzyme that has little activity in crypt cells and maximal activity in low and mid villus cells.