(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.
Encysted
Definition:
(a.) Inclosed in a cyst, or a sac, bladder, or vesicle; as, an encysted tumor.
Example Sentences:
(1) Phase-contrast microscopic observations revealed a transition in cell morphology from freely motile, vibrioid cells to nonmotile, highly refractile encysting forms during the formation of flocs.
(2) However, the duodenal fistula caused the formation of encysted pelvic abscesses which were difficult to drain and satisfactorily treat.
(3) In August-December 1992, 500 diaphragm muscle samples taken at random from people who were autopsied at the Santiago Medico-Legal Service, were submitted to phototrichinoscopy to search for encysted larvae of Trichinella spiralis.
(4) The ability of Trichinella spiralis larvae to survive at subfreezing temperatures encysted in the musculature of wild carnivorous mammals was assessed by evaluating motility and infectivity (to rodents) of trichinae at various intervals after storage in frozen skeletal muscle.
(5) Encystment-enhancing factors are released by Acanthamoeba castellanii and Acanthamoeba palestinensis, and encystment can be induced by monoclonal antibodies to plasma membrane proteins.
(6) The encystment process was followed with respect to the cellular levels of DNA, RNA, protein, carbohydrates, acid phosphatase, acid beta-N-Ac-glucosaminidase, and catalase.
(7) Encystment of the fourth ventricle, due to occlusion of the aqueduct as well as the foramina of Magendie and Luschka has been described previously.
(8) These ultrastructural studies now show that a regulated pathway of transport and secretion of cyst wall antigens via a novel class of large, osmiophilic secretory vesicles, the encystation-specific vesicles (ESV), is assembled during encystation of G. lamblia.
(9) Following a challenge infection of newborn larvae the mice were shown to be on the average 85% resistant i.e., only 15% of the challenge larvae developed to encysted muscle stage larvae in these mice; when the challenge consisted of normal muscle larvae administered per os, the mice were 51% resistant.
(10) Encysted larvae (6%) were located in the dorsal colon of 1 heavily infected horse.
(11) The xiphidio-cercaria monostomous, anenterous in type, is liberated in water and actively penetrates a Crustacea Gammarus pulex where it encysts.
(12) In histological sections, walls around encysted larva were much thinner in a rat killed three years postinoculation than in a rat killed one month postinoculation.
(13) At a temperature of water from 28 to 29 degrees trophonts of Ichthyophthirius encysted on fishes.
(14) Relatively little is known about encysted Toxoplasma.
(15) At least 5% by weight of each segment was examined by mural transillumination, and encysted cyathostome larvae were counted.
(16) The characteristic funduscopic finding of subretinal tracks, along with the appearance of the larva--encysted in one patient and free-floating in the other-deserves emphasis, since this condition is not always benign and may not be as rare as previously assumed.
(17) Growth of the preencystation culture without bile also increased subsequent encystation.
(18) Encysted metacercariae of Clinostomum marginatum (Digenea) were obtained from tissues of yellow perch, Perca flavescens.
(19) These studies have provided new insights into the complex sequence of morphologic and physiologic alterations which occur during encystation of G. lamblia in vitro and their regulation by host intestinal factors.
(20) The encystment of Physarum polycephalum plasmodia, also called spherulation, involves the synthesis of many specific mRNAs and proteins.