(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.
Plenum
Definition:
(n.) That state in which every part of space is supposed to be full of matter; -- opposed to vacuum.
Example Sentences:
(1) We assembled and evaluated a low-pressure plenum system, based upon the Farman entrainer, which was adaptable to spontaneous, assisted or intermittent positive pressure ventilation (IPPV).
(2) Cell Biol., 91:1879, '81; Kasinsky, Mann, Lemke, and Huang: In: Chromosomal Proteins and Gene Expression, Plenum Press, New York, pp.
(3) The effect of the physical characteristics of the carrier gas on the output of automatic plenum vaporizers was studied.
(4) Airborne transfer of these bacteria was practically eliminated by nursing in single isolation rooms with plenum ventilation.
(5) Using S. pyogenes as a tracer organism, an examination of the importance of air-borne infection of clean wounds in the modern, plenum-ventilated operating room has been made.
(6) Obrist (Cardiovascular Psychophysiology: A Perspective, Plenum Press, New York, 1981) has recently argued for the superiority of contractility (e.g.
(7) The fan in the forced aeration process forced air into a perforated plenum beneath the compost piles.
(8) At this velocity the laminar-flow system, in terms of airborne bacteria measured at the wound site, was about 11 times more efficient using horizontal air-flow and 35-90 times more efficient using vertical air-flow than a plenum-ventilated operating-room.
(9) pp 121-145, Plenum, New York and London], we wanted to prepare specific oligonucleotides carrying O2- or O4-alkylthymidine residues.
(10) A long-forgotten chloroform inhaler, probably the first accurately calibrated, temperature compensatable, plenum vaporizer, is described.
(11) Forced-air furnace operation, along with leaky return ducts and plenums, and openings between the substructure and upper floors enhanced mixing of radon-laden substructure air throughout the rest of the building.
(12) Plenum, New York), that at least two lineages, from which sensory and autonomic cell types are derived respectively, are segregated early during neural crest ontogeny and have extremely different survival and trophic requirements.
(13) ), p. 81, Plenum Press, New York] consists of three domains: surfactant apolar tails, bound water and free water.
(14) Raman scattering data are consistent with a mixture of A- and Z-RNAs in 110 mM NaCl buffer at 37 degrees C. Comparison with the spectrum of Z-DNA indicates that there may be different glycosidic torsion angles in Z-RNA and Z-DNA [Tinoco, I., Jr., Cruz, P., Davis, P., Hall, K., Hardin, C. C., Mathies, R. A., Puglisi, J. D., Trulson, M. O., Johnson, W. C., & Neilson, T. (1986) in Structure and Dynamics of RNA, pp 55-68, Plenum, New York].
(15) Studies were made in a modified hospital ward containing 19 beds, 14 of them in the open ward, one in a window-ventilated side-room, two in rooms with partial-recirculation ventilators giving 7-10 air changes per hour, and two in self-contained isolation suites with plenum ventilation (20 air changes per hour), ultra-violet (UV) barriers at doorways and airlocks.Preliminary tests with aerosols of tracer bacteria showed that few bacteria entered the plenum or recirculation-ventilated rooms.
(16) Plenum Press, New York) is an important assessment instrument for use in the treatment of alcoholism and particularly in relapse prevention.
(17) 4): C249-C254, 1979] and mammalian (Molecular Basis of Insulin Action, New York: Plenum, 1985, p. 451-463; Am.
(18) Recently we reported preliminary mechanical experiments on freshly skinned rabbit psoas fibers that suggested that while almost all of the cross-bridges are attached to actin in the presence of 4 mM adenyl-5'-yl-imidodiphosphate (AMP-PNP) (ionic strength, 0.13 M), there is an equilibrium between the attached and detached states, so that, in the presence of 4 mM AMP-PNP, fibers should not be able to maintain tension (Schoenberg, et al., 1984, in Contractile Mechanisms in Muscle, Pollack and Sugi, editors., Plenum Publishing Corp., NY).
(19) A wound isolator was used to perform 109 total arthroplasties of the hip, while 108 similar operations were done in a plenum ventilated operating room.
(20) The event carries symbolic weight because Deng Xiaoping used a third plenum in 1978 to establish his vision of economic reform and opening.