| BF | bentonite flocculation; bile flow; black female; blastogenic factor; blister fluid; blood flow; body... |
|---|---|
| bf | black female; bouillon filtrate [tuberculin] |
| B/F | black female; bound/free [antigen ratio] |
| BL | Barre-Lieou [syndrome]; basal lamina; baseline; Bessey-Lowry [unit]; black light; bladder; bleeding;... |
| Bl | black |
| BLM | black lipid membrane |
|---|---|
| BPB | black pigmented Bacteroides |
| BS | black smoke |
| black-dot ringworm | Tinea capitis due most commonly to Trichophyton tonsurans or T. Violaceum. (05 Mar 2000) |
|---|---|
| Black, Douglas | <person> Scottish physician, *1909. See: Black's formula. (05 Mar 2000) |
| black eye | Ecchymosis of the lids and their surroundings. (05 Mar 2000) |
| black fever | An acute tick-borne illness caused by the bacteria Rickettsia rickettsii. The disease is characterised by sudden onset of headache, chills and fever which can persist for 2-3 weeks. A characteristic rash appears on the extremities and trunk about the 4th day of illness. (27 Sep 1997) |
| black friar | A friar of the Dominican order; called also predicant and preaching friar; in France, Jacobin. Also, sometimes, a Benedictine. Source: Websters Dictionary (01 Mar 1998) |
| Black, Greene | <person> U.S. Dentist, 1836-1915. See: Black's classification. (05 Mar 2000) |
| black-hearted | Having a wicked, malignant disposition; morally bad. Source: Websters Dictionary (01 Mar 1998) |
| black heel | Traumatic haemorrhage into the stratum corneum of the heel which may persist for several weeks as centrally confluent black dots. Synonym: black heel. (05 Mar 2000) |
| black-jack | 1. <chemical> A name given by English miners to sphalerite, or zinc blende; called also false galena. See Blende. 2. Caramel or burnt sugar, used to colour wines, spirits, ground coffee, etc. 3. A large leather vessel for beer, etc. 4. <botany> The Quercus nigra, or barren oak. 5. The ensign of a pirate. Source: Websters Dictionary (01 Mar 1998) |
| black lead | Plumbago; graphite.It leaves a blackish mark somewhat like lead. See Graphite. Source: Websters Dictionary (01 Mar 1998) |
| black line | The linea alba in pregnancy, which then becomes pigmented. Synonym: black line. (05 Mar 2000) |
| black lung | A form of chronic clung disease which develops after prolonged exposure to coal dust. Advanced disease and scarring is evident on chest X-ray. Symptoms include wheezing, chronic cough and shortness of breath. (27 Sep 1997) |
| black measles | An acute tick-borne illness caused by the bacteria Rickettsia rickettsii. The disease is characterised by sudden onset of headache, chills and fever which can persist for 2-3 weeks. A characteristic rash appears on the extremities and trunk about the 4th day of illness. (27 Sep 1997) |
| black membrane | <chemistry> An artificial phospholipid membrane formed by painting a solution of phospholipid in organic solvent over a hole in a hydrophobic support immersed in water. Drainage of the solvent from the film produces diffraction colours until the thickness falls below the wavelength of light it then appears to be black. The structure is an extended bimolecular leaflet. (18 Nov 1997) |
| black mustard | The dried ripe seed of Brassica nigra or of B. Juncea; it is the source of allyl isothiocyanate; it contains sinigrin (potassium myronate); myrosin; sinapine sulfocyanate; erucic, behenic, and synapolic acids; and fixed oil; a prompt emetic, a rubefacient, and a condiment. (05 Mar 2000) |