(1) The axons of A5, RPoOl and RaD neurons exhibit no lateral predominance in their spinal projections.
(2) This was treated with local radiation therapy consisting of 2700 rads administered in 15 fractions during a period of 28 days.
(3) Genetical analysis revealed that resistance to trimethoprim resulted from forward mutations at separate loci rather than back mutations of rad 6 or rad 18 alleles.
(4) Analysis was performed on all patients who received any amount of therapy (VSG) and on the Adequately Treated Group (ATG), who had received 5000 or more rads radiotherapy, two or more courses of chemotherapy, and had a minimum survival of 8 or more weeks (the interval that would have been required to have received either the radiotherapy or chemotherapy).
(5) Liability of retransplanted syngeneic skin grafts to rejection could be almost entirely abolished by their exposure to 300 rads irradiation before placement on the intermediate host.
(6) Fourteen patients entered the study and each received megavoltage therapy to give a mean dose of 4600 rad to the pituitary over 31 days.
(7) At the 200 rad level, the mouse with normal karyotype was compared with the T(1;13)70H translocation heterozygote and the Ts(1(13))7OH tertiary trisomic of normal appearance.
(8) Of these, the first 36 patients received single doses to the UHB, mid-body (MB), or LHB using doses of 600 rad to the UHB and 800 rad to MB and LHB.
(9) This treatment will be repeated until a total dose of 5000--6000 rad.
(10) The morphologic changes produced in the liver through irradiation at the rate of 1000 rad are characterized chiefly by a well expressed fatty dystrophia.
(11) The hypoxic fraction increased dramatically when these tumours invaded the subcutaneous tissues, or when tumours were implanted subcutaneously (TCD50 greater than 5,544 rad).
(12) In the membranes a phosphoprotein of 32 kDa belonging to the NADPH oxidase-cytochrome b-245 system (P. Bellavite et al., Free Rad.
(13) The radiation dose to the kidney (3.6 rad) and to the whole body (0.36 rad) was acceptable.
(14) The generation of cellular and supernatant IL 2R was: dependent on cellular activation, rapid, radioresistant (3000 rad), and inhibited by cycloheximide treatment.
(15) He was submitted to radiotherapy with linear acceleration (total dose of 4000 rads) and surgery, during which the tumor could not be completely removed due to its large size.
(16) Of mice treated with 500 rad, 44% were cured, as were 100% given 800 rad of treatment.
(17) External beam radiation was also given (6000 rads) to 16 patients for curative intent and (3000 rads) to 9 patients for palliative intent.
(18) In order to evaluate the usefulness of gamma-ray-irradiation to improve the tolerance to wear of the sockets, the worn surface of the 2.5 M rad gamma-ray-irradiated HDP sockets after total hip arthroplasty has been quantified by a newly-developed 3 dimensional (3-D) image analysis method in combination with scanning electron microscopy (SEM).
(19) 100 to 1600 rad doses did not produce adverse effects on these cells.
(20) Chromosome aberrations induced by 500 rads gamma ray irradiation (dicentrics, rings, and fragments) were observed at the ultrastructural level using the "whole mount" technique.
Tight
Definition:
() of Tie
() p. p. of Tie.
(superl.) Firmly held together; compact; not loose or open; as, tight cloth; a tight knot.
(superl.) Close, so as not to admit the passage of a liquid or other fluid; not leaky; as, a tight ship; a tight cask; a tight room; -- often used in this sense as the second member of a compound; as, water-tight; air-tight.
(superl.) Fitting close, or too close, to the body; as, a tight coat or other garment.
(superl.) Not ragged; whole; neat; tidy.
(superl.) Close; parsimonious; saving; as, a man tight in his dealings.
(superl.) Not slack or loose; firmly stretched; taut; -- applied to a rope, chain, or the like, extended or stretched out.
(superl.) Handy; adroit; brisk.
(superl.) Somewhat intoxicated; tipsy.
(superl.) Pressing; stringent; not easy; firmly held; dear; -- said of money or the money market. Cf. Easy, 7.
(v. t.) To tighten.
Example Sentences:
(1) 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).
(2) The expression of the Pgp isoforms appears to be tightly regulated and, at least in some cells, under complex hormonal control.
(3) Whereas the tight junctions of endoneurial capillaries are known to prevent certain blood-borne substances from entering the endoneurium, it was not clear whether the permeability of the pulpal capillaries, which are distant from the nerve fibres, could affect the nerve fibre environment.
(4) The cells are predominantly monopolar, tightly packed, and are flattened at the outer border of the ring.
(5) These data indicate that topoisomerase I and RNA polymerase I are tightly complexed both in vivo and in vitro, and suggest a role for DNA topoisomerase I in the transcription of ribosomal genes.
(6) Immunofluorescence and immunoelectronmicroscopy experiments demonstrated that while tight junctions demarcate PAS-O distribution in confluent cultures, apical polarity could be established at low culture densities when cells could not form tight junctions with neighboring cells.
(7) Investigations have been made to determine the identity and binding characteristics of the pterins that are bound tightly to dihydrofolate reductases which are isolated from vertebrate sources by a well established procedure.
(8) At all times, a tight inverse correlation exists between ATP and IMP concentrations.
(9) Recently, a gene for ITD (DYT1) in a non-Jewish kindred was located on chromosome 9q32-34, with tight linkage to the gene encoding gelsolin (GSN).
(10) This study investigates the use of the incentive inspirometer to observe the effects of tight versus loose clothing on inhalation volume with 17 volunteer subjects.
(11) In contrast, interchange of the histones and tightly bound non-histone protein DNA complexes from hormone-withdrawn and estrogen-stimulated chromatins during reconstitution did not affect the level of mRNAOV sequences produced.
(12) Using microelectrodes and various microscopic techniques active Na+ absorption as well as K+ secretion has been localized to the principal cells, while Cl- absorption was found to proceed largely, though not exclusively, through the tight junctions between cells.
(13) The successful establishment of a postcrisis SV-40 T antigen transformed epithelial cell line, 1HAEo-, which retains tight junctions and vectorial ion transport, is described.
(14) The present investigation shows that the intramembranous proteins of tight and gap junctions are mobile structures within the fluid membrane.
(15) In contrast, after incubation with 0.5% DOC, the core microfilaments are no longer tightly bundled yet the lateral arms remain attached with a distinct 33-nm periodicity.
(16) The data collected by several approaches reveal that assembly and maturation of vaccinia involves a tightly coupled sequence of interrelated events including the assembly of the envelope, post-translational cleavage of several virion polypeptides, and induction of the core enzymes.
(17) The tight coupling between neuronal activity and oxidative energy metabolism forms the basis for the use of cytochrome oxidase as an endogenous metabolic marker for neurons.
(18) When using a nylon thread for the attachment of a pseudophakos to the iris, it may happen that the suture is slung tightly around the implant-lens.
(19) Some antibodies and other proteins bind tightly to nitrocellulose and dissociation of these proteins by Tween 20 is barely detectable.
(20) Independent experts warn that rumours and deliberate misinformation about the regime are rife, partly because it is impossible to verify or disprove most stories about the tightly controlled country's elite.