| borderline personality | See: borderline personality disorder. (05 Mar 2000) |
|---|---|
| borderline personality disorder | <psychiatry> An individual who is impulsive and unpredictable with fluctuations in intense moods. Occasionally psychotic. (27 Sep 1997) |
| borderline tumour | A neoplasm of the ovary, usually arising in young women, composed of complex epithelial hyperplasia without stromas invasion; may recur if incompletely removed surgically, but is clinically less aggressive than carcinoma. Synonym: low malignant potential tumour. (05 Mar 2000) |
| borders of eyelids | The anterior and posterior edges of the free margin of the upper and lower eyelids. Synonym: limbi palpebrales. (05 Mar 2000) |
| Bordet and Gengou reaction | <immunology> Binding of complement as a result of its interaction with immune complexes (the classical pathway) or particular surfaces (alternative pathway). (18 Nov 1997) |
| Bordet, Jules | <person> Belgian bacteriologist and Nobel laureate, 1870-1961. See: Bordetella, Bordet-Gengou potato blood agar, Bordet-Gengou bacillus, Bordet-Gengou phenomenon, Bordet and Gengou reaction. (05 Mar 2000) |
| Bordet-Gengou bacillus | <bacteria> A small, aerobic, gram-negative bacillus, causative organism of whooping cough. Produces a variety of toxins including a dermonecrotising toxin, an adenyl cyclase, an endotoxin and pertussis toxin, as well as surface components such as fimbrial haemagglutinin. (18 Nov 1997) |
| Bordet-Gengou phenomenon | The phenomenon of complement fixation; when alexin (complement)-containing serum is added to a mixture of bacteria and specific antibody, the alexin is removed (fixed) and is not available to lyse subsequently added erythrocytes sensitised with specific antibody. See: Gengou phenomenon. (05 Mar 2000) |
| Bordet-Gengou potato blood agar | Glycerine-potato agar with 25% of blood, used for the isolation of Bordetella pertussis. (05 Mar 2000) |
| bordetella | A genus of gram-negative, aerobic bacteria whose cells are minute coccobacilli. It consists of both parasitic and pathogenic species. (12 Dec 1998) |
| bordetella bronchiseptica | A species of bordetella that is parasitic and pathogenic. It is found in the respiratory tract of domestic and wild mammalian animals and can be transmitted from animals to man. It is a common cause of bronchopneumonia in lower animals. (12 Dec 1998) |
| bordetella infections | Infections with bacteria of the genus bordetella. (12 Dec 1998) |
| Bordetella parapertussis | A species that causes a whooping cough-like disease. (05 Mar 2000) |
| Bordetella pertussis | <bacteria> A small, aerobic, gram-negative bacillus, causative organism of whooping cough. Produces a variety of toxins including a dermonecrotising toxin, an adenyl cyclase, an endotoxin and pertussis toxin, as well as surface components such as fimbrial haemagglutinin. (18 Nov 1997) |
| bordlode | The service formerly required of a tenant, to carry timber from the woods to the lord's house. Origin: Bordar (or perh. Bord a board) + lode leading. Source: Websters Dictionary (01 Mar 1998) |