(n.) The Gorgon; or one of the Gorgons whose hair was changed into serpents, after which all who looked upon her were turned into stone.
(n.) Any free swimming acaleph; a jellyfish.
Example Sentences:
(1) "I keep seeing visions of a woman with Medusa-like grey hair," Langdon murmured.
(2) Investigation on important medusae and the chemistry of their nematocyst venoms have been expanding.
(3) Complications worth mentioning included three slight losses of vitreous, bleeding into the anterior chamber in four cases, and one loss of the anterior chamber with caput medusae of the iris and secondary opacification of the lens.
(4) Bacillus medusa was found to carry three phages or phagelike structures named phi med-1, phi med-2, and phi med-3.
(5) Small medusae possess a circulatory system of narrow tubes subdivided into several compartments by functional "sphincters."
(6) B. medusa produced small numbers of phi med-2 during growth.
(7) Normally, vertebral pathways with sufficient circulation prevent oedema of the limbs, bilateral varicoceles and caput medusae of the abdominal wall.
(8) It appears to participate in the formation of a surface layer on the parasporal inclusion of B. medusa.
(9) The responses of Aurelia medusae to pharmacological agents and ionic variation were classified into four response types: Type I, no response; Type II, inhibition of pacemaker activity; Type III, inhibition of both pacemakers and swimming muscles; and Type IV, increase in pacemaker output.
(10) In portal hypertension, three types of cutaneous portosystemic collaterals may develop: the 'classical' caput Medusae, enterostomal varices and scar or adhesion-related abdominal collaterals.
(11) The diagnosis was made by real-time ultrasonography, which showed echographic caput medusae with large afferent umbilical veins and efferent inferior superficial epigastric veins.
(12) Consideration of these properties of the organisation of this species suggests that normal slow swimming is controlled by a mechanism similar to that found in other medusae, while the escape response is the result of the action of the giant axons.
(13) The "RS" variant ("medusae head" surface colonies) is not pathogenic for mice and guinea pigs (even B. anthracis) if the tested strains are cultivated for years in ordinary solid nutrient media; the same morphological variants are strongly pathogenic (also B. subtilis), when the strains are recently isolated from infected animals.
(14) The comparison of the responses to the test solutions between the medusa, scyphistoma, and strobila showed that the neuromuscular systems are physiologically different.
(15) Abdominal varices consisting of a caput medusae and dilated mesenteric veins resulted in pooling of Tc-99m tagged red blood cells (RBC) within these dilated vessels in a 57-year-old man with severe Laennec's cirrhosis.
(16) Using a radioimmunoassay for the peptide sequence Arg-Phe-NH2 (RFamide), two peptides have now been purified from acetic acid extracts of this medusa.
(17) A novel method for separating porphyrin polycarboxylic acids is described and illustrated by its application to the direct analysis of biological (deep-sea medusae), clinical (urine) and chemical ('haematoporphyrin derivative') samples.
(18) Dr Elizabeth Sinskey, CEO of the World Health Organisation, combed her Medusa-like grey hair and thought unnecessarily of the glucocorticoid treatment that had destroyed her reproductive system.
(19) Angiography with Tc-99m labeled RBCs demonstrated an arterioportal fistula and a caput medusa.
(20) Similarly, the responses of adult medusae to ionic variation show no consistent pattern within various scyphomedusae.
Polyp
Definition:
(n.) One of the feeding or nutritive zooids of a hydroid or coral.
(n.) One of the Anthozoa.
(n.) Same as Anthozoa. See Anthozoa, Madreporaria, Hydroid.
Example Sentences:
(1) The frequency of gastric malignancies in the families of the women with gastric polyps was higher than in the controls and in men, 6.2, 3.1 and 2.4 percent, respectively (p less than 0.05, and p less than 0.025).
(2) In 20 patients (18.2%), visualization revealed uterine abnormalities, mainly newly added endometrial lesions, i.e., hyperplasia, polyps, endometritis, and synechiae.
(3) In the latter groups, specimens were taken from both polyp tissue and adjacent nasal mucosa.
(4) Age, histological type, number or location of the index diminutive polyps, were not associated with proximal lesions.
(5) In this paper, 5 patients with benign tumor (3 tubular adenoma, 1 leiomyoma and 1 fibroma) and 35 pseudotumor (26 cholesterol polyps and 9 inflammatory polyps) of the gallbladder are presented.
(6) The indication to lipomas removal is based on clinical remarks and differential diagnosis with adenomatous polyps.
(7) Genetic relations of skin tags, colon polyps, and colon cancer are a matter of ongoing research.
(8) Of 14 reported cases of Peutz-Jeghers syndrome associated with intestinal carcinoma, in only two was the tumor shown to originate in the polyp.
(9) Examples include the specific pattern of hypodontia seen before the development of iris dysplasia in Rieger syndrome, and the presence of supernumerary teeth and facial osteomas preceding malignant transformation of intestinal polyps in Gardner syndrome.
(10) All patients with distal polyps detected during flexible sigmoidoscopy underwent colonoscopy.
(11) Findings included squamous epithelium with acute and chronic inflammation, foreign body granuloma and aural polyps.
(12) Nine of these 10 patients had juvenile polyposis defined by the presence of at least three juvenile polyps; and eight of the nine had a family history of juvenile polyps.
(13) Eradication of the pedunculated and narrow-based polyps in stomach was almost totally successful by injection into the base.
(14) Included in the study were 193 small polyps, 0.5 cm in diameter, diagnosed on rectoromanoscopy and removed by mechanical way from 182 patients at the Proctologic Unit of the Department of Gastroenterology.
(15) Despite the fact that this approach has several caveats, consistent results obtained in short-term studies would more readily justify the undertaking of a large-scale, long-term controlled study using colon cancer or adenomatous polyp recurrence as an endpoint.
(16) After the polyp was removed, the cells decreased appreciably in number.
(17) Neoplasia was present in 22% of DPs located less than 60 cm from the anus, 73% of proximally located small polyps, and 32% of all DPs.
(18) Non-neoplastic polyps included 32 inflammatory polyps, 32 metaplastic polyps, 27 juvenile polyps and 17 Peutz-Jeghers type polyps.
(19) Polyps were detected ultrasonographically, but one third of them were overlooked by either cholecystography or CT. Nomenclature, pathological classification and management of the lesions are discussed.
(20) Every second polyp in the same region proved to be adenoma.