(n.) Any tube or canal by which a fluid or other substance is conducted or conveyed.
(n.) One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.
(n.) A large, elongated cell, either round or prismatic, usually found associated with woody fiber.
(n.) Guidance; direction.
Example Sentences:
(1) The most actively proliferating region of the excurrent duct system is zone 3 of the epididymis, whereas the least active region is the ductuli efferentes.
(2) Endoscopic retrograde cholangiography failed to demonstrate any bile ducts in the right postero-lateral segments of the liver, the "naked segment sign".
(3) Immunohistochemical observation of myoepithelial cells with monoclonal antibody from human mammalian cancer suggested that these cells play an important role in the process of glandular ducts formation.
(4) Aside from these characteristic findings of HCC, it was important to reveal the following features for the diagnosis of well differentiated type of small HCC: variable thickening or distortion of trabecular structure in association with nuclear crowding, acinar formation, selective cytoplasmic accumulation of Mallory bodies, nuclear abnormalities consisting of thickening of nucleolus, hepatic cords in close contact with bile ducts or blood vessels, and hepatocytes growing in a fibrous environment.
(5) High mortality, severe destruction of pancreatic B-cells and presence of sporadic mononuclear infiltrations in islets and around excretory ducts were observed.
(6) No methionine-enkephalin-positive nerves could be detected in the common bile duct, pancreatic duct or gallbladder.
(7) The most serious complications following operative treatment are retained bile duct calculi (2.8%), wound infection and biliary fistulae.
(8) In case of biliary and pancreatic duct obstruction with pure pancreatic reflux, both oedema and inflammatory infiltrations were evident, whereas, in the presence of biliary reflux too, more serious histological features were detected.
(9) Dacryography is the only means of exploring the permeability of the lacrymal ducts and to conclude as the whether watering of the eyes is organic or functional.
(10) Papillomatosis of the biliary ducts is exceptional.
(11) Histological studies with neonatal mice raise the possibility that Müllerian duct tissue may represent a site for the transplacental toxicity of DES in both the male and female fetus.
(12) Six of the obstructed livers developed biliary cast formation so extensive that the smaller intrhepatic ducts became plugged to an extent that they could no longer have been treated by surgical mena.
(13) The presence of prostatic invasion either into the stroma or involving prostatic ducts and acini only had no adverse effect on outcome.
(14) A series of 172 lithiasis of the common bile duct has been analysed.
(15) Compared with the portal vein, lymphatic duct revealed a greater resistance to hypoxia.
(16) Although 25 Gy IORT plus 50 Gy EBRT was tolerated by the duodenum to 135 days, these doses may cause later pancreatic injury as an expression of damage to blood vessels and ducts.
(17) This report describes a newly developed catheter system with the aid of which the cystic duct and gallbladder can be reliably catheterized, retrograde, via an endoscope.
(18) Optical light, transmission, and scanning electron microscopy were used in investigations of epithelia in the glandular region of the milk cistern and greater lactiferous ducts and yielded the following findings, four and six hours from infection: degeneration and necrosis of epithelial cells, intraepithelial foreign cell infiltration (neutrophilic granulocytes, lymphocytes, macrophages), intra-epithelial oedema and locally delimited epithelial loss.
(19) To study the role of the serum complement system in the early necrosis of acinar cells an acute pancreatitis was produced by injection of basement membrane antibodies into the pancreatic duct of mice and rats.
(20) Predisposition to pancreatitis relates to duct size rather than stone size per se.
Dust
Definition:
(n.) Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled too minute portions; fine powder; as, clouds of dust; bone dust.
(n.) A single particle of earth or other matter.
(n.) The earth, as the resting place of the dead.
(n.) The earthy remains of bodies once alive; the remains of the human body.
(n.) Figuratively, a worthless thing.
(n.) Figuratively, a low or mean condition.
(n.) Gold dust
(n.) Coined money; cash.
(v. t.) To free from dust; to brush, wipe, or sweep away dust from; as, to dust a table or a floor.
(v. t.) To sprinkle with dust.
(v. t.) To reduce to a fine powder; to levigate.
Example Sentences:
(1) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
(2) At the end of the dusting period those animals treated with normally charged dust had significantly more chrysotile retained in their lungs than animals exposed to discharged dust.
(3) Differences between mean durations of dust exposure of workers with radiographic signs of lung fibrosis and those without such signs were statistically insignificant.
(4) Where the guanine content was more than or equal to 0.25% in the dry dust, mite numbers were higher than 10 mites per 0.1 g dust in 43 of the 44 samples.
(5) The contents of hexavalent chromium, Cr(VI), in grinding dust were undetectable.
(6) The results of pathohistologic investigations are objectively demonstrated through a chart of morphological traits, thus facilitating the identification of the diagnostical morphological traits caused by different industrial dusts.
(7) A clinical investigation was made between workers exposed to dried sewage sludge dust and age matched controls not exposed.
(8) The median exposure of total dust was well below the Swedish threshold value, and the exposure of mould and bacteria was also low.
(9) Mattress dusts from the beds of 51 asthmatic children with positive skin tests to house dust mite were assayed for Der p I, Fel d I and certain viable fungi.
(10) According to the quantitative analysis between threshold titers of skin test and RAST titers using house dust and HD mites allergens, specific IgE production shall be decreased in the patients over 40 years old.
(11) Both the observance of occupational limit-values for dusts and other harmful materials at the work place, which have effects on the respiration system, and the medical survey of workers with the use of special methods for examination of respiratory system are necessary.
(12) Further, investigation of electrokinetic properties of these dusts by electrophoretic quasielastic light scattering is described.
(13) We have recently demonstrated in vitro a potential biological mechanism which could occur in vivo upon inhaling airborne graon dust, thereby constituting a potential inflammatory insult to the respiratory tracts of grain workers.
(14) After allowance for the fact that regression analyses suggested that the proportion of tremolite in dust was probably 2.5 times higher in Thetford Mines, Quebec, than in Charleston, the results from both matched pair and stratification analyses of tremolite fibre concentrations in lung were almost the same as for chrysotile.
(15) In vitro exposure of macrophages and neutrophils to inorganic dusts can enhance their oxidative metabolism, however the effects of inorganic dust inhalation on lung-inflammatory cell-oxidative metabolism remain unknown.
(16) Fifty asthmatics, candidates for hyposensitization with the house dust mite Dermatophagoides pteronyssinus (Dp), went through a series of allergy tests to evaluate the sensitivity of different organs to Dp.
(17) Specified cytotoxicity and mutagenicity of coal dust extract (mixture of solvent extractions of bituminous coal nitrosated by NaNO2) were investigated because of the association of an excess risk of gastric cancer in coal miners.
(18) History is littered with examples of byelection sensations that soon turned to dust.
(19) Inhalant allergens as mite house dust, animal danders, pollens, molds and food allergens are considered, now, to be the most sensitizing agents.
(20) Water from the reactors that were the source of Sonoda's drink is being used to spray trees to limit the buildup of dust and prevent fires.