| mar | 1. To make defective; to do injury to, especially. By cutting off or defacing a part; to impair; to disfigure; to deface. "I pray you mar no more trees with wiring love songs in their barks." (Shak) "But mirth is marred, and the good cheer is lost." (Dryden) "Ire, envy, and despair Which marred all his borrowed visage." (Milton) 2. To spoil; to ruin. "It makes us, or it mars us." "Striving to mend, to mar the subject." Origin: OE. Marren, merren, AS. Merran, myrran (in comp), to obstruct, impede, dissipate; akin to OS. Merrian, OHG. Marrjan, merran; cf. D. Marren, meeren, to moor a ship, Icel. Merja to bruise, crush, and Goth. Marzjan to offend. Cf. Moor. Source: Websters Dictionary (01 Mar 1998) |
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| Ahumada-Del Castillo syndrome | <syndrome> Unphysiological lactation and amenorrhoea not following pregnancy characterised by hyperprolactinaemia and a pituitary adenoma. Synonym: Argonz-Del Castillo syndrome. (05 Mar 2000) |
| Argonz-Del Castillo syndrome | <syndrome> Unphysiological lactation and amenorrhoea not following pregnancy characterised by hyperprolactinaemia and a pituitary adenoma. Synonym: Argonz-Del Castillo syndrome. (05 Mar 2000) |
| Hortega, Pio del Rio | <person> Spanish neurohistologist in South America, 1882-1945. See: Hortega cells, Hortega's neuroglia stain. (05 Mar 2000) |
| Del Castillo | E.B., 20th century Argentinian physician. See: Del Castillo syndrome, Argonz-Del Castillo syndrome, Ahumada-Del Castillo syndrome. (05 Mar 2000) |
| Del Castillo syndrome | <syndrome> The absence from the seminiferous tubules of the testes of germinal epithelium, Sertoli cells alone being present; there is sterility due to azoospermia but no other sexual abnormality, Leydig cells are normal, and the output of gonadotrophins in the urine is increased; probably represents one form of seminiferous tubule dysgenesis. Synonym: Del Castillo syndrome. (05 Mar 2000) |
| administration, oral | The giving of drugs, chemicals, or other substances by mouth. (12 Dec 1998) |
| cancer, oral | Cancer of the mouth area. A sore in the mouth that does not heal can be a warning sign of oral cancer. A biopsy is the only to know whether as abnormal area in the oral cavity is cancer. Oral cancer is caused by tobacco (smoking and chewing) and alcohol use. Surgery to remove the tumour in the mouth is the usual treatment for patients with oral cancer. (12 Dec 1998) |
| candidiasis, oral | Infection of the mucous membranes of the mouth by a fungus of the genus candida. (12 Dec 1998) |
| canine oral papilloma | Warts affecting mucous membranes of young dogs; caused by a papillomavirus. (05 Mar 2000) |
| magnesia and alumina oral suspension | A mixture of magnesium hydroxide and variable amounts of aluminum oxide; used as an antacid. (05 Mar 2000) |
| pathology, oral | A dental specialty concerned with pathology of the oral cavity. (12 Dec 1998) |
| pharyngo-oral | Relating to the pharynx and the mouth; oropharyngeal. Origin: pharyngo-+ L. Os (or-), mouth (05 Mar 2000) |
| combination oral contraceptive | A mixture of a steroid having progestational activity and an oestrogen. (05 Mar 2000) |
| contraceptives, oral | Compounds, usually hormonal, taken orally in order to block ovulation and prevent the occurrence of pregnancy. The hormones are generally oestrogen or progesterone or both. (12 Dec 1998) |