(a.) Having the form of a disk, as those univalve shells which have the whorls in one plane, so as to form a disk, as the pearly nautilus.
(n.) Anything having the form of a discus or disk; particularly, a discoid shell.
Example Sentences:
(1) A patient previously reported to have discoid lupus erythematosus as a neonate eventually developed systemic lupus erythematosus (SLE) at age 19 years.
(2) In these discoidal complexes, the alpha-helical content was estimated to be 65%, with the rest of the structure being essentially unordered.
(3) Squamous-cell carcinoma may arise in scars of chronic discoid lupus erythematosus.
(4) Complete and incomplete discoid menisci normally require treatment only when a tear occurs.
(5) This study evaluates the structural organization of the cytoskeleton within unactivated, discoid platelets.
(6) Twenty minutes after rewarming at 37 degrees C, chilled cells began to return toward normal resistance to aspiration when only 6% had recovered discoid shape.
(7) 88, 543--555] have shown that these derivatives act as partial agonists at the platelet ADP receptor inducing only the transition from discoid to globular morphology ('shape change').
(8) Feline immunodeficiency, virus infection, cryptococcosis, dermatophyte pseudomycetomas, demodicosis, Sézary-like syndrome, and discoid lupus erythematosus in cats are reviewed.
(9) Discoid LE patients who have not developed clinically significant SLE manifestations within the first 2 years of the appearance of their skin lesions have a very low risk for suffering from severe SLE complications later in their disease course.
(10) Cytochemical examinations of the activity of the lymphocyte and neutrophil acid phosphatase (AP), a lysosomal marker enzyme, was carried out in patients with discoid lupus erythematosus to assess the function of the cellular lysosomal system.
(11) Patients with localized scleroderma (n = 16) and discoid LE (n = 38) had antinuclear antibodies in 31 and 21% of cases, respectively.
(12) The most appropriate initial treatment for lateral discoid menisci in cases without tear should be observation of the clinical course with minimal treatment using diagnostic arthroscopy.
(13) We report on a 37-year-old white female with a 13-year follow-up of chronic discoid lupus erythematosus, which suffered massive bilateral visual loss coincident with the systemic exacerbation of her disease (proteinuria, pneumonia, serositis, leucopenia).
(14) Discoidal substrates for purified human lecithin-cholesterol acyltransferase were prepared with human apolipoprotein A-I, cholesterol, and egg phosphatidylcholine (PC) or dipalmitoyl PC, including dihexadecyl PC in various proportions as an enzymatically inert dilutor of the interfacial PC substrate.
(15) The treatment of the discoid meniscus is based on total or partial meniscectomy, achieved by the percutaneous or arthrometric technique.
(16) The digestion of bacterial DNA by peripheral blood monocytes was impaired both in patients with systemic lupus erythematosus (SLE) and discoid lupus erythematosus (DLE).
(17) Skin biopsy specimens obtained from involved skin from sixteen patients with systemic and discoid lupus erythematosus were studied.
(18) In contrast, no enhancement of cholesteryl ester transfer was observed upon addition of LCAT to either the discoidal bilayer particle preparations (containing phosphatidylcholine, cholesterol, cholesteryl ester, and apo-A-I at the molar ratio of 90:30:1.2:1.0) or high density lipoprotein 2 (HDL2).
(19) Platelets concentrated in presence of MPG were significantly better with respect to yield, maintenance of discoid shape, aggregability, and hypotonic shock response compared with control platelets concentrated in absence of MPG.
(20) We tried to establish the width of partial meniscectomy of a discoid meniscus that would prevent new tears.
Disk
Definition:
(n.) A discus; a quoit.
(n.) A flat, circular plate; as, a disk of metal or paper.
(n.) The circular figure of a celestial body, as seen projected of the heavens.
(n.) A circular structure either in plants or animals; as, a blood disk; germinal disk, etc.
(n.) The whole surface of a leaf.
(n.) The central part of a radiate compound flower, as in sunflower.
(n.) A part of the receptacle enlarged or expanded under, or around, or even on top of, the pistil.
(n.) The anterior surface or oral area of coelenterate animals, as of sea anemones.
(n.) The lower side of the body of some invertebrates, especially when used for locomotion, when it is often called a creeping disk.
(n.) In owls, the space around the eyes.
Example Sentences:
(1) These findings suggest that clonidine transdermal disks lower blood pressure in hypertensive patients, but produce local skin lesions and general side effects.
(2) These observations suggest that the liver secretes disk-shaped lipid bilayer particles which represent both the nascent form of high density lipoproteins and preferred substrate for lecithin-cholesterol acyltransferase.
(3) Opsin becomes incorporated into the disk membrane by a process of membrane expansion and fusion to form the flattened disks of the outer segment.
(4) Somatic and functional antigens of Dictyocaulus filaria were comparatively studied by means of disk electrophoresis.
(5) We performed a prospective study on 68 eyes of 68 patients to compare the vertical cup-disk ratio obtained with the video-ophthalmograph to that obtained with manual analysis of black-and-white stereoscopic photographs.
(6) Visible light activates a large guanosine cyclic 3',5'-phosphate (cGMP)- and phosphodiesterase (PDE)-dependent infrared light-scattering change in suspensions of photoreceptor disk membranes.
(7) Three disks of different sizes (10, 25, and 45 mm in diameter) were attached to the edge of the baresthesiometer, and pressures of 1, 3 and 5 kg were applied to the 10 mm disk, and 1, 3, 5, and 7 kg to the other disks.
(8) The hemolytic characteristics of 14 different polydimethyl-siloxane materials were studied, using a rotating disk device to shear whole human blood for 6000 sec.
(9) These optic disk anomalies occurred bilaterally with some inter- and intra-individual variable expressivity.
(10) This is the first reported case, to the best of my knowledge, of disk neovascularization occurring after intravenously injected, crushed, unfiltered, methylphenidate HCl tablets.
(11) We have investigated the relationship between rhodopsin photochemical function and the retinal rod outer segment (ROS) disk membrane lipid composition using flash photolysis techniques.
(12) We found that the Na-Ca exchanger is distributed throughout all membranes in contact with the extracellular space, including the sarcolemma, the transverse tubules (T-tubules), and the intercalated disks.
(13) The minimal inhibitory concentration of netilmicin determined by the agar dilution method was correlated with the disk diffusion zone of inhibition against 322 clinical isolates.
(14) The initiation step consisting of the binding of RNA with the 36S disk of protein was easily accomplished.
(15) The state of the intervertebral disks, intervertebral joints and cerebrospinal canal in degenerative vertebral diseases was assessed.
(16) It is concluded that although a rapid automated system for antibiotic sensitivity testing is desirable, the conventional disk agar diffusion method is easier to perform, more reliable, and a less expensive procedure for antibiotic sensitivity determination.
(17) The diagnostic accuracy of CT in cases of lumbar disk prolapse was investigated on the basis of a group of 158 of our own patients who were divided into three separate groups.
(18) Disk position was assessed inaccurately in either plane in patients with severe degenerative joint disease.
(19) Based on the morphology and magnetic anisotropy of the rod outer segment, the major phospholipid peak is attributed to the flat part of the disk membranes while the phospholipids of the plasma membrane are thought to contribute only to the minor peak.
(20) QC range for H. Influenzae ATCC 49247 were established using multiple HTM agar and broth base lots, three disk lots for each drug, and a number of test replicates consistent with the National Committee for Clinical Laboratory Standards M23-T guideline.