BTB may refer to:
In biology:
*
Blood–testis barrier
The blood–testis barrier is a physical barrier between the blood vessels and the seminiferous tubules of the animal testes. The name "blood-testis barrier" is misleading as it is not a blood-organ barrier in a strict sense, but is formed between ...
in testicular anatomy
*
Blood–thymus barrier
* bTB, bovine tuberculosis or ''
Mycobacterium bovis
''Mycobacterium bovis'' is a slow-growing (16- to 20-hour generation time) Aerobic organism, aerobic bacterium and the causative agent of tuberculosis in cattle (known as bovine TB). It is related to ''Mycobacterium tuberculosis'', the bacterium ...
'', a disease in cattle
*
Breakthrough bleeding
Intermenstrual bleeding (IMB), or metrorrhagia, is vaginal bleeding at irregular intervals between expected menstrual periods. It may be associated with bleeding with sexual intercourse. The term metrorrhagia, in which metro means measure and ...
, of the menstrual period
*
Bromothymol blue, a chemical indicator for weak acids and bases
*
BTB/POZ domain
The BTB/POZ domain (BTB for BR-C, ttk and bab or POZ for Pox virus and Zinc finger) is a structural domain found in proteins across the domain Eukarya. Given its prevalence in eukaryotes and its absence in Archaea and bacteria, it likely arose aft ...
, a protein domain
In other uses:
*
Belgian Union of Transport Workers
Belgian may refer to:
* Something of, or related to, Belgium
* Belgians, people from Belgium or of Belgian descent
* Languages of Belgium, languages spoken in Belgium, such as Dutch, French, and German
*Ancient Belgian language, an extinct language ...
, a trade union in Belgium
*
Branch target buffer
In computer architecture, a branch target predictor is the part of a processor that predicts the target, i.e., the address of the instruction that is executed next, of a taken conditional branch or unconditional branch instruction before the ta ...
, a computer processor element
*
Bétou Airport, in the Republic of the Congo (IATA airport code: BTB)
*
Basil Temple Blackwood
Lord Ian Basil Gawaine Hamilton-Temple-Blackwood (4 November 18703 July 1917), known as Lord Basil Temple Blackwood, was a British lawyer, civil servant and book illustrator.
Early life
Temple Blackwood was the third son and fifth child of Fre ...
(1870–1917), British book illustrator (credited as B.T.B.)
*''
Bob the Builder
''Bob the Builder'' is a British animated children's television series created by Keith Chapman for HIT Entertainment which ran from to in the United Kingdom through the CBBC strand and later CBeebies. The series centres on the adventures ...
'', British children's television series
*
Board-to-board connector Board-to-board (BTB) connectors are used to connect printed circuit boards (PCB), electronic components that contain a conductive pattern printed on the surface of the insulating base in an accurate and repeatable manner. Each terminal on a BTB conn ...
(BTB)
{{disambiguation