(n.) A pouch or sac without opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavities or in the substance of an organ.
(n.) In old authors, the urinary bladder, or the gall bladder.
(n.) One of the bladders or air vessels of certain algae, as of the great kelp of the Pacific, and common rockweeds (Fuci) of our shores.
(n.) A small capsule or sac of the kind in which many immature entozoans exist in the tissues of living animals; also, a similar form in Rotifera, etc.
(n.) A form assumed by Protozoa in which they become saclike and quiescent. It generally precedes the production of germs. See Encystment.
Example Sentences:
(1) However it is important to recognize these cysts so that correct surgical management is offered to the patient.
(2) The increase in red blood cell mass was associated with an elevation in erythropoietic stimulatory activity in serum, pleural fluid, and tumor-cyst fluid as determined by the exhypoxic polycythemic mouse assay.
(3) Diagnostic work-up and management of intracranial arachnoid cysts are still controversial.
(4) The position of the cyst supports the theory that branchial cysts are congenital in origin.
(5) These cases show that an examination of the whole neuraxis is as important in patients with midline posterior fossa cysts as it is in patients with developmental syringomyelia or Chiari I malformation.
(6) The exception to this rule is a cyst which can be safely aspirated under controlled conditions.
(7) Aneurysmal bone cyst is an uncommon benign lesion that rarely presents in the craniofacial region.
(8) It is especially efficacious in evaluating patients with cystic lesions, especially those with complex cysts not clearly of water density.
(9) In cases in which CT was also performed, it revealed corresponding hypodensities in two infarctions, but failed to reveal the foci of gliosis (or noncavital infarction), demyelination, or brain cyst.
(10) This light microscopic comparison of viable FDA- and nonviable PI-stained cysts of G. muris demonstrates that 2 types of cysts can be distinguished and implies that structural differences can be used to identify these subpopulations of cysts.
(11) Quantitative measurements of image contrast were carried out for B-mode images of anechoic spheres (cysts) embedded in a random scattering medium.
(12) The resistance of GSA 65 to proteolytic degradation, together with previous immunofluorescence data that indicate the antigen is an integral part of the G. lamblia cyst wall, suggests that this molecule may play a role in maintaining the integrity of the cyst in vivo.
(13) Radiographic examination revealed that three of the cysts had increased is size, three had decreased in size, three had not changed in size, and two had disappeared; no evaluation could be made on two.
(14) Zinc alpha-2 glycoprotein (ZnGP) was measured in human breast microcysts, breast secretions, breast cyst fluid and serum.
(15) The diagnosis of meningeal cyst was confirmed in a non-invasive way by MRI showing a mass with the same signal intensities as CSF on both T1 and T2 weighted images.
(16) Furthermore, the different types of adrenal cysts reported in the literature and the differential diagnosis from other adrenal cystic lesions, mainly tumors and infections, are discussed.
(17) Splenectomy is the operation of choice for cysts of the spleen in children.
(18) The concentration of potassium (K+) and sodium (Na+) was measured in breast cyst fluid (BCF) from 611 cysts greater than 3 ml aspirated in 520 women with gross cystic disease of the breast.
(19) Although bronchogenic cysts may involve the mediastinum, they have rarely been responsible for significant upper airway obstruction.
(20) Radiographically the bone cyst distinguishes itself by its central localisation in the metaphysis, where as the giant cell tumor has an excentric position in the epiphysis with a tendency of extending into the metaphysis.
Hyaline
Definition:
(a.) Glassy; resembling glass; consisting of glass; transparent, like crystal.
(n.) A poetic term for the sea or the atmosphere.
(n.) The pellucid substance, present in cells in process of development, from which, according to some embryologists, the cell nucleous originates.
(n.) The main constituent of the walls of hydatid cysts; a nitrogenous body, which, by decomposition, yields a dextrogyrate sugar, susceptible of alcoholic fermentation.
Example Sentences:
(1) Histologically, foci strongly resembling hepatocellular carcinoma with hyaline globules were noted.
(2) In some of the tubuli there were hyalin cylindroids.
(3) These observations suggest that the function of BMG is to evoke mesenchymal cell differentiation into prechondroblasts during the latent or migratory morphogenetic phase while the effect of the culture medium is to provide the bionutritional requirements for synthesis of hyaline cartilage matrix by chondrocytes during the patent phase of development.
(4) Reversible increases in size and distribution of hyaline droplets within proximal tubular epithelium occurred through 1 year of treatment at a severity that was dose-dependent.
(5) Chemically isolated separate preparations of the non-aggregating protein-chondroitin-keratin sulphate (PCKS) fraction from the hyaline cartilage and hyaluronic acid (HUA) of the vitreous body and of the umbilicus were investigated by electron microscopy.
(6) Regardless of cyst localization, lowest diagnostic sensitivity was observed in patients whose cysts were intact and of the hyaline type, whereas recently broken cysts were associated with the most consistently detectable immune response.
(7) All three meningiomas showed expression of carcinoembryonic antigen, cytokeratin, and epithelial membrane antigen in the cells surrounding the hyaline bodies.
(8) Closely associated with alcoholic hyalin and often found along its entire circumference, were bundles of fine filaments in parallel arrangement of much smaller size.
(9) The presence of hyaline cartilage within the wall of the cyst allows to make the difference for sure between an esophageal cyst of bronchogenic origin and a cyst of enterogenous origin.
(10) Histologically, vascular lesions such as vacuolization, degeneration and desquamation of the endothelium and hyalinization and necrosis of the muscular coat predominated, whereas reparatory reactions were relatively sparse.
(11) Upon fertilization, the antigen was exocytosed from the cortical vesicles and became associated with the hyaline layer, the fertilization envelope, and the plasma membrane.
(12) These studies showed that the cartilaginous cap of human osteophytes has the capacity to synthesize the entire repertoire of sulphated proteoglycans of mature hyaline cartilage.
(13) It is well-established that binding of a chemical to alpha 2u-globulin is the rate-limiting step in the development of male rat-specific hyaline droplet nephropathy.
(14) In some areas, the tumor shows a striking resemblance to Kaposi's sarcoma; criss-crossing fascicles of spindle cells are interspersed with narrow vascular spaces, but PAS-positive hyaline globules are absent.
(15) In the case of arthroses the primary lesion occurs in the non-vascularized hyaline cartilage.
(16) Hyaline bodies were present in nearly all tumours of skin.
(17) The following morphologic observations were made: Arteries exhibiting arteriosclerosis appeared, in the new host, to take on a distinct new cellular deposit which was superimposed on the previously existing hyalinization in the intima.
(18) Thirty-five neonates developed hyaline membrane disease.
(19) In the control males given the vehicle alone, the proximal segment of the os penis, composed of a compact cell mass found at day 0, developed at 5 days into the membrane bone with bone marrow and hyaline cartilage; the distal segment, composed of mesenchymatous cells until 10 days, developed at 30 days into fibrocartilage characterized by a distribution of type I collagen.
(20) Histologically the most conspicuous were the findings of the hyaline alveolar membrane and the cellular atypia of endothel of the alveoles and the lymph-ducts.