(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.
Flue
Definition:
(n.) An inclosed passage way for establishing and directing a current of air, gases, etc.; an air passage
(n.) A compartment or division of a chimney for conveying flame and smoke to the outer air.
(n.) A passage way for conducting a current of fresh, foul, or heated air from one place to another.
(n.) A pipe or passage for conveying flame and hot gases through surrounding water in a boiler; -- distinguished from a tube which holds water and is surrounded by fire. Small flues are called fire tubes or simply tubes.
(n.) Light down, such as rises from cotton, fur, etc.; very fine lint or hair.
Example Sentences:
(1) The major components of an alkaloid-free, flue-cured, tobacco essential oil sample are isolated and identified.
(2) The elevated levels in the winter can be related to the use of NO2-producing heating appliances especially the gas- or oilstove without a flue.
(3) An analytical method is developed to quantitatively determine glucosamine, galactosamine, and mannosamine in dried-and-ground burley and flue-cured tobaccos.
(4) The predominant adverse effects were fatigue, flue-like illness and leukopenia.
(5) In about half the world's households, such fuels are used for cooking daily, usually without a flue or chimney and with poor ventilation.
(6) More experimental techniques to scrub CO2 from flue gas without the two-step process include using seawater to absorb the gas and then returning the mixture back to the ocean for long-term storage.
(7) Dark tobacco smoking was the strongest risk factor, with an RR 2.5 times higher than that showed by light (flue-cured) tobacco smokers and 35 times that of non-smokers.
(8) Three to four weeks following exposure to HIV there is a phase of rapid viral replication, high levels of plasma viremia, and development of a "flue like" illness.
(9) There was no statistically significant difference in specific mouse skin carcinogenicity between smoke condensate from plain, flue-cured tobacco cigarettes with a normal tar to nicotine ratio and condensate from filter-tip cigarettes made from selected flue-cured tobaccos with a reduced tar to nicotine ratio.
(10) Demand for the dark tobaccos which dominate EC production has fallen, while demand for light flue cured tobacco like Virginia has risen.
(11) Squamous cell carcinoma of the lung was observed in rats, when copper ore, flue dust, and arsenic trioxide were instilled into the lung together with benzo[a]pyrene (B[a]P. The incidence of squamous cell carcinoma of the lung in rats exposed to Kinkaseki, flue dust, and As2O3 in addition to B[a]P was higher than that in rats given B[a]P alone.
(12) Losses of methomyl during flue-curing averaged 96% over locations, rates of application, and times of harvest, compared to an average loss of 98% due to weathering in the field for 5 days.
(13) This difficulty becomes especially conspicuous when the carcinogenicity is to be determined after the inhalation of, for example, diesel engine exhaust, coal oven flue gas, or cadmium compounds.
(14) We handed over our credit card details and three days later a £422 Hunter Hawk (4 kilowatt) model arrived on a pallet (since burned) plus the associated flue.
(15) In contrast to the Diesel exhaust exposure group, the lungs of the rats exposed to coal oven flue gas mixed with pyrolyzed pitch had much less severe inflammatory changes, but developed 20 squamous cell tumours (apprx.
(16) Flue gas temperatures, measured from the sampling point at the base of the exhaust stack, varied over the range 186-305 degrees C, and bacteria were recovered from this position in numbers up to 400 cfu m-3 (mean 56 cfu m-3).
(17) Fatty acids obtained by saponification of a hexane-soluble fraction of flue-cured tobacco were converted to their methyl esters.
(18) It seems likely that the chimney sweep's inhalation of soot particles and locally irritating flue gases may have contributed to the increased occurrence of chest symptoms in this occupational group.
(19) Disappearance of monocrotophos from flue-cured tobacco was studied at three locations (Kinston, Clayton, and Reidsville, North Carolina) in 1973.
(20) To exclude the carcinogenicity of trace radioactive elements in the mine powder and flue dust and clarify those inorganic chemical elements related to carcinogenesis of lung cancer, 15 non-radioactive inorganic chemical elements (CM1) responsible for mutagenesis, tumorigenesis and promotion of cancer from mine powder and flue dust were mixed for Ames test and carcinoma-inducing-experiment in animals.