(n.) A contagious affection of the skin due to the presence of a vegetable parasite, and forming ring-shaped discolored patches covered with vesicles or powdery scales. It occurs either on the body, the face, or the scalp. Different varieties are distinguished as Tinea circinata, Tinea tonsurans, etc., but all are caused by the same parasite (a species of Trichophyton).
Example Sentences:
(1) Clinically, our cases of black-dot ringworm caused by T. violaceum often presented with subtle changes of scaling, hair loss, and black dots.
(2) Scalp ringworm among children ranked third (15.3%), Microsporum canis was the main etiologic agent.
(3) The organism was isolated from skin scrapings collected from ringworm lesions mainly on the heads of 2 naturally infected calves.
(4) Three cases of leptospirosis, two cases of Newcastle disease, two cases of ringworm, and a single infection with Mycobacterium bovis and with Salmonella arizonae were also encountered.
(5) A total of 258 cattle clinically affected with Trichophyton verrucosum (ringworm) were treated twice by spraying with a suspension containing the fungicidal antibiotic natamycin.
(6) Dermatophytes of the genera Trichophyton, Microsporum and Epidermophyton were isolated from 162 (41%) of 395 patients with clinical manifestations of ringworm infection reporting at the Lagos University Teaching Hospital, Lagos, Nigeria between January 1986 and December 1987.
(7) A survey was carried out on the distribution of ringworm infections among school children in four primary schools in Jos, Plateau State of Nigeria.
(8) A suspension based on the antibiotic, natamycin, was applied by sponging to 83 horses of various breeds and ages with signs of clinical ringworm.
(9) Scales were taken from 128 human volunteers suffering from ringworm infections and grown on Sabourand's media to determine the type of organisms causing the disease.
(10) This case also demonstrates the benefit of corticosteroids for certain cases of inflammatory ringworm where the host's response to the fungus is exceptionally marked.
(12) After an episode of cerebral toxoplasmosis for which he was treated with systemic steroids (because of cerebral oedema) he developed, over 16 days, a remarkably extensive ringworm of the trunk due to an unusual zoophilic dermatophyte, Microsporum (Trichophyton) gallinae.
(13) Moreover, 415 children were examined to determine the incidence of head lice, scabies, ringworm and catarrh - conditions which had been found to be common among children in the low-income group.
(14) The present work has looked at the distribution of ringworm infections among the Nigerian nomadic Fulani herdsmen.
(15) Fourteen cases are described in which the local application of corticosteroid preparations to ringworm infections of the skin have resulted in unusual clinical pictures.
(16) Out of 124 children examined, 36 had scalp lesions and 32 cases were confirmed as scalp-ringworm on direct microscopy.
(17) An account is given of the increase in incidence of scalp ringworm seen in London school children over a twelve year period.
(18) The use of these factors in preparation of efficacious fungicides used in the treatment of ringworm infections in man and animals is discussed.
(19) Eight agents of ringworms have been recorded in the horse.
(20) There have been few geographical surveys of ringworm fungi that have covered the world.
Roundworm
Definition:
(n.) A nematoid worm.
Example Sentences:
(1) The prevalence of ascaris (roundworm) infection and the severity of protein-energy malnutrition were the same in the two groups at the onset of the study.
(2) Solid organ transplant recipients can experience serious disease and death from infection due to the parasitic roundworm Strongyloides stercoralis.
(3) One hundred children aged 24-72 months who had history of passing roundworms during the preceding 12 months were compared with 100 children without such history.
(4) For example, in visceral larva migrans, caused by the dog roundworm Toxocara canis, only palliative therapy with systemic anti-inflammatory agents and corticosteroids may be helpful.
(5) There were no significant relationships between number of households per latrine at each community and the prevalence and intensity of infection by hookworms and prevalence of roundworms.
(6) A series of field trials involving some 2000 different animals was conducted to determine the response in liveweight from anthelmintic treatment for roundworms.
(7) School-age children were found to have the highest risk for both roundworm infections and multiple parasitic infections.
(8) Retrograde cholangiography was carried out in 4 small children with suspected roundworm infestation of the biliary tree.
(9) Nematoda (true roundworm) infections include ankylostomiasis, strongyloidiasis, gnathostomiasis, gongylonemiasis, trichinosis, dracunculosis, loaiasis, filariasis, dirofilariasis, and onchocerciasis.
(10) Worm infections were reduced in the treated market-weight pigs: by 96% (P less than 0.05) for the large roundworm (Ascaris suum), 77% (P less than 0.01) for nodular worms (Oesophagostomum spp), and 64% (P less than 0.01) for the intestinal threadworm.
(11) In order to help validate the free-living roundworm, C.e., as a simple model to study the mechanism of general anesthesia, we demonstrated that homologous series of alcohols and alkanes produced a reversible "anesthetic" effect in these worms as in other animals.
(12) Diarrhea, roundworm infestation and measles were not positively correlated with xerophthalmia but whooping cough and tuberculosis were.
(13) Emphasis is placed on the commoner filarial and mermithid nematodes, but several other unusual and rare roundworm parasites are also discussed.
(14) The dominant fly species Chrysomya megacephala (Fabricius) carried eggs of the roundworm Ascaris lumbricoides L., the pinworm Trichuris trichiura (L.) and hookworm on the adult external body surface and in the gut lumen, in association with Bukit Lanjan aborigines.
(15) Mebendazole has been found to be ovicidal for the eggs of roundworm, hookworm, and whipworm with the disadvantages of cost and long duration of therapy; it is also considered the best drug for the treatment of trichuriasis.
(16) Following infection of mice with larvae of the canine roundworm Toxocara canis, there is a persistent pneumonitis.
(17) Vomiting of roundworms during biliary colic occurred in 19 patients (48%) and often led to confirmation of biliary ascariasis by direct visualization of the biliary tree.
(18) In the first patient, cholecystectomy was curative and corroborated the presence of the roundworm.
(19) A case of migration of a gravid female roundworm into the peritoneal cavity is reported.
(20) Analysis of results focused on 3 questions related to prevention: practitioner's frequency of client education regarding zoonotic potential of roundworms and hookworms, pup age at which veterinarian recommends first anthelmintic treatments, and proportion of veterinarians recommending prophylactic drug administration for pups and nursing bitches.