(n.) A name originally given by the Italians to a kind of serpentine, later to the rock called euphotide, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene (diallage) and labradorite, with sometimes chrysolite (olivine gabbro).
Example Sentences:
Lamellar
Definition:
(a.) Flat and thin; lamelliform; composed of lamellae.
Example Sentences:
(1) No reaction product was observed in the lamellar areas.
(2) At consolidation, the distraction area was composed of lamellar trabecular and partly woven bone.
(3) The results indicate that synthesis of lamellar bodies depends on an intact microtubular system, whereas secretion requires actin filaments in a functional state.
(4) Lamellar inclusions were selectively found in the large axons.
(5) At recovery, 96 hours, the lungs contained twice the normal numbers of type II cells, but the total size of lamellar body compartment per type II cell as well as the DSPC content of the isolated lamellar body pool returned to normal levels.
(6) The astrocytes had generally two types of processes: (1) thread-like processes of relatively constant width with few ramifications and few lamellar appendages and (2) the sinuous processes with clusters of lamellar appendages.
(7) The cortical vitreous of the normal (control) eye appeared to be a lamellar structure composed of sheets of collagen mesh.
(8) The results obtained in congenital ichthyosiform erythroderma, lamellar ichthyosis, and Papillon-Lefèvre syndrome were judged as better than those usually reported with etretinate.
(9) Intralipid at a concentration of 10(-2%) produced a significant increase of the relative volume of lamellar bodies (P = 0.05) at a gestational age of 18 weeks.
(10) In contrast, SP-A was identified in two populations of vesicles with high phospholipid-to-protein ratios: one lacked N-acetyl-beta-glucosaminidase and lgp-120 and contained lamellar bodies; the other contained both lysosomal markers and a heterogeneous population of organelles that included multivesicular bodies, lamellar bodies, and lysosomes.
(11) In the lower granular layer, progressively more Ca++ precipitates appeared intercellularly, with the only intracellular Ca++ localized within mitochondria and lamellar bodies (limiting membranes and discs).
(12) Two of the sheep developed typical lesions of geeldikkop, including birefringent crystalloid material in bile ducts and concentric periductal lamellar fibrosis.
(13) In the area where the collagen was disorganized, and also near the periosteum, woven bone was first formed, which was then remodeled into lamellar bone.
(14) They induced modifications in particle distribution, a blebbing of particle-free areas and the appearance of lamellar figures on the plasma membrane of fungus cells.
(15) The depression of cellular division and the stimulation of palmitic acid uptake with coicident appearance of lamellar bodies in cultures exposed to prednisolone supports the hypothesis that control of the differentiation of alveolar epithelium with synthesis of phospholipid surfactant, is a function of the adrenal cortex.
(16) The precise relationship between the vesicles and the lamellar bodies is unknown.
(17) Dilysocardiolipin dispersions at low salt concentration are micellar, and a transition to a lamellar phase takes place between 1 and 2 M NaCl.
(18) The pores observed were about half the average diameter of the lamellar bodies and a deformation of that spherical secretory organelle was seen frequently.
(19) Some of the fully matured lamellar bodies also contained glycogen.
(20) This can be achieved by penetrating keratoplasty, lamellar keratoplasty, sclerokeratoplasty, keratectomy, peritomy, conjunctival transplantation or keratoepithelioplasty.