(1) A subpopulation of preformed primary granules in promyelocytes, myelocytes, and segmented neutrophils appeared to increase in size and peripheral or central electron lucency.
(2) Central nervous system (CNS) cultured neurons while exposed to different concentrations and pH of L-lactic acid exhibited in general chromatin clumping, vacuolization in the cytoplasm, appearance of lipid bodies, accumulation of polyribosomes, cytoplasmic lucency and swollen and aggregation of mitochondria.
(3) Vascular changes included perivascular deposits of proteinaceous material presumably from leakage of serum proteins, variable electron lucency of endothelial cell cytoplasm, an apparent increase in pinocytotic vesicles, rare platelet thrombosis of capillaries, and rare intravascular blebs of luminal plasma membrane.
(4) Subchondral lucency of C3 resulted from chronic damage to C3 with subsequent osteochondral collapse or acute C3 proximal surface osteochondral fracture.
(5) Two infants also presented with severe intracranial defects, one with microcephaly and one with cranial calcifications and lucency.
(6) In childhood and adult hydrocephalus of various causes, periventricular lucency of several degrees was often detected in the frontal horn, when hydrocephalus had progressed to an advanced stage.
(7) Irregular borders before PTCA were present in 22 of 38 patients in group I vs 10 of 38 in group II (p less than .05), intraluminal lucency in 22 of 38 vs nine of 38 (p less than .05), localization in curve in 27 of 38 pts vs 16 of 38 (p less than .05), and localization at bifurcation in 11 of 38 vs 15 of 38 (NS).
(8) Of the 320 remaining axial contrast-enhanced CT scans, the posterior lobe of the pituitary was apparent in 124 (39%) as an oval lucency 3-4 mm thick, located medially or paramedially just in front of the dorsum sellae.
(9) This decrease was even more pronounced in vegetative patients with the worst neurological score and with CT scans demonstrating additional diffuse white matter lucencies and hypodensities in the basal ganglia.
(10) The renal angiographic findings in our two patients with scleroderma and recent onset of hypertension included minor changes in the distal interlobar and arcuate arteries and a nephrogram displaying diffuse, spotty lucencies.
(11) In addition to the usual periosteal and metaphyseal bone lesions of lues, areas of focal lucencies and sequestra were present.
(12) The distal tubular changes in the 5.0 and 15 ppm groups included electron lucency and vacuolation of cytoplasm as well as occasional mitochondrial swelling.
(13) In each patient, roentgenograms made prior to the time of failure of the prosthesis revealed roentgenographic lucency, which was interpreted as cement failure.
(14) Perivascular lucencies on CT reflect altered hepatic lymphatic dynamics; in the absence of impaired efferent lymph drainage, they reflect increased lymphatic flow.
(15) The presence of white matter lucencies and ventricular dilatation correlated with an increased incidence of diffuse hyperreflexia and mental impairment.
(16) Contrast enhancement of RCS was characteristically homogeneous with rare lucency, even in very large lesions.
(17) Compared with group B, group A tended to have more cases of delayed onset of NPH (mean days of 112 from SAH attack in group A while 55 days in group B), cases with "trias" (3 against 0) and moderate ventricular dilatation with periventricular lucency (8 against 2).
(18) The cell body typically exhibited cytoplasmic lucency, swollen mitochondria, and dilated cisterns.
(19) In many cases there is a medial lucency, adjacent bony epiphyseodesis, and significant shortening of the humerus.
(20) The occurrence of white matter signal alterations (periventricular lucency) and of multifocal ischemic areas represented the most frequent and atypical finding.
Lucent
Definition:
(a.) Shining; bright; resplendent.
Example Sentences:
(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.