(1) A characteristic mass is lucent on plain films, is echogenic on US, shows fat attenuation on CT, is avascular at angiography, and has a signal intensity similar to that of fat on T1-weighted MR images.
(2) Quigley, who was appointed by Labor to run the NBN rollout, had to answer regular questions about his actions and responsibilities as a former senior executive when it was revealed there had been corruption at Alcatel Lucent in Costa Rica.
(3) After internalization, BSA-gold was present in numerous electron-lucent vesicles in the juxtanuclear area and in the trans-Golgi reticulum, endosomes, and lysosome-like structures.
(4) Except for the posterior end, the rest of the sperm is covered by longitudinally distributed electron-dense cellular processes and an outer mat of more electron-lucent tubular elements.
(5) These vacuoles contained one or several typical collagen fibrils and had either an electron-lucent matrix or contained an electron-dense material obscuring the fibrillar outlines and cross-striations.
(6) The varicosities contain two types of vesicle: electron-lucent vesicles (mean diameter 50 nm) which are immunopositive for GABA and larger (80 nm) electron-dense vesicles which are immunopositive for neuropeptide Y.
(7) The parasite is apansporoblastic, polysporous and has characteristics not previously reported in the Microsporida: (1) an electron lucent inclusion not usually seen in Microsporida is prominent and always present; (2) extremely elongated sausage-shaped nuclei occur in the proliferative phase of parasite development; (3) the polar tube development uniquely involves the production of electron dense discs, yet results in the formation of a typical spore; and (4) polar tube development occurs prior to the final division of the multi-nucleate sporont.
(8) In the hepatocytes of two of these patients we observed spherical particles ranging in size between 150 A and 220 A, having an electron-lucent core and scattered throughout areas limited by a membrane.
(9) Computerized tomography (CT) scans showed cerebral infarcts with lucent areas and dilated ventricles or cerebral atrophy.
(10) The roentgenographic signs which favor a diagnosis of non-neoplastic heterotopic bone formation include a lucent zone between the lesion and the adjacent bone, an intact underlying cortex, diaphyseal location, dense calcification in the periphery, and loss of volume on serial films.
(11) After contrast enhancement, no significant increase in the attenuation number was observed in and around the lucent foci except in one patient.
(12) A varying number of mitochondria were affected in each of the animals: degenerated mitochondria, mitochondria with electron lucent matrix, with concentric cristae, of bell shape, with negative succinic dehydrogenase activity or vacuolated mitochondria were found.
(13) In stage I small, electron-lucent vesicles with a finely granulated and filamentous content become apparent, initially in the neighbourhood of the Golgi complex.
(14) Syncytiotrophoblast, villous capillary endothelial cells, amniotic and Hofbaüer cells were filled with membrane-bound inclusions which were either electron-lucent or contained fibrillogranular material.
(15) A case of COC which developed as a mixed lucent-opaque lesion in the anterior maxilla of a young person is discussed from the standpoint of clinical and radiographic differential diagnosis.
(16) Within the electron-lucent vacuoles, however, such close contact was not present.
(17) Electron microscopic study demonstrated characteristic intracytoplasmic electron-lucent membrane-bound bodies.
(18) Only electron-lucent (loose) mucosubstances are exocytosed; they form the apically-situated acidic mucous coat of the PC.
(19) In the present study, transmission electron microscopy was used to demonstrate that the initial extraction removes the intercellular lamellae that constitute the epidermal water barrier but leaves the lucent band that has been termed the corneocyte plasma membrane.
(20) Primitive cell SGs average 200-330 nm; some have dense cores with lucent halos while others are filled with a homogeneous dense or flocculent material.
Pellucid
Definition:
(a.) Transparent; clear; limpid; translucent; not opaque.
Example Sentences:
(1) Three patients had pellucid marginal corneal degeneration complicated by corneal edema.
(2) Our computer-based corneal topography analysis system was used to study the keratoscope photographs (keratograms) from two patients with classic pellucid marginal degeneration and a third patient with no inferior corneal thinning, whose keratoscope mire pattern was suggestive of the condition.
(3) We performed central pachymetry on two patients with pellucid and Terrien's corneal marginal degeneration with mean central corneal thicknesses of .487 mm and .466 mm, respectively.
(4) Pellucid marginal corneal degeneration is a bilateral disease characterized by a narrow band of corneal thinning localized 1-2 mm from the inferior limbus.
(5) Follicles were classified on the basis of the number of layers of follicle cells, the presence and degree of development of the zone pellucide, and the presence of an antrum.
(6) Pellucid marginal degeneration of the cornea is a bilateral, clear, inferior, peripheral corneal-thinning disorder.
(7) A successful corneal wedge resection was performed to correct the visual impairment in the left eye of a 30-year-old male who suffered from bilateral pellucid marginal degeneration.
(8) There were 53 patients with keratoconus, 5 with pellucid marginal corneal degeneration, 2 with keratoglobus, and 1 with superior corneal thinning.
(9) The morphologic changes with age concern the height of the 3rd ventricle, the extension of the pellucid septum and the stereotaxic topography.
(10) Five eyes in four patients with pellucid marginal corneal degeneration were treated by lamellar crescentic resection of the thinned area inferiorly.
(11) When idiopathic peripheral corneal thinning remains clear, it is regarded as pellucid degeneration; vascularization, scarring, and lipid keratopathy are regarded as Terrien's marginal degeneration.
(12) Crescent-shaped, deep corneal scars were observed in seven (39%) of 18 patients with pellucid marginal corneal degeneration.
(13) Quantitation of relative staining intensity found keratoconus and pellucid marginal degeneration corneas to be 49% and 40% as intensely stained, respectively, as normal corneas, a statistically significant decrease (P less than 0.01).
(14) Dissolution of the pellucid membrane by brief ATP treatment reveals a zygotic surface which changes from day to day.
(15) This article reports a case of bilateral corneal pellucid marginal degeneration.
(16) Monoclonal antibody against keratan sulfate (KS) was used for immunofluorescent staining of sections of human corneas from 8 normal eyes, 19 with keratoconus, 4 with pellucid marginal degeneration, 5 with primary macular corneal dystrophy, and 1 with recurrent macular corneal dystrophy.
(17) We believe that penetrating keratoplasty offers an excellent surgical result for patients with pellucid marginal corneal degeneration.
(18) The ocular lens somehow remains pellucid despite bombardment by ultraviolet radiation and endogenous hydrogen peroxide (present in the humoral fluids which bathe this tissue).
(19) The decreased KS staining was not localized in stromal scar tissue found in the keratoconus and pellucid marginal degeneration corneas.
(20) American ophthalmologists are generally not familiar with the condition because most of the literature concerning pellucid degeneration is European.