swab

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swab

1. Med
a. a small piece of cotton, gauze, etc., for use in applying medication, cleansing a wound, or obtaining a specimen of a secretion, etc.
b. the specimen so obtained
2. a mop for cleaning floors, decks, etc.

swab

[swäb]
(mining engineering)
A pistonlike device provided with a rubber cap ring that is used to clean out debris inside a borehole or casing.
The act of cleaning the inside of a tubular object with a swab.
(petroleum engineering)
In petroleum drilling, to pull the drill string so rapidly that the drill mud is sucked up and overflows the collar of the borehole, thus leaving an undesirably empty borehole.

swab

/swob/ The PDP-11 swap byte instruction mnemonic, as immortalised in the dd option "conv=swab".

1. To solve the NUXI problem by swapping bytes in a file.

2. The program in V7 Unix used to perform this action, or anything functionally equivalent to it.

See also big-endian, little-endian, middle-endian, bytesexual.
References in periodicals archive ?
BRISBANE, AUSTRALIA -- Self-collected penile-meatal swabs perform as well as urethral swabs for the detection of sexually transmitted infections (STIs), such as chlamydia, gonorrhea, trichomoniasis, and Mycoplasma genitalium, but are more acceptable to men, according to a case-control study.
Culture for Mycoplasma hominis and Ureaplama urealyticum: From plain PPLO broth used for transport of urethral swabs, 1 ml of the broth was passed into PPLO broth made selective for M.
Out of 155 specimens collected from the 150 patients, 75 (48.4%) were urethral swabs and 80 (51.6%) were vaginal swabs.
The urine sample was obtained following urethral swab collection for use in the second half of the investigation.
Rectal and pharyngeal specimens were collected according to standardized protocols; urine testing or collection of urethral swabs was optional.
Urethral swabs for sexually transmitted infections (STIs) and serology for syphilis, HIV, and hepatitis were negative.
Genital swabs (made of medical absorbent cotton, urethral swabs from males and vaginal swabs from females) were collected from all participants and placed into separate transport tubes (Yangzhou JiKang Medical Instrument Ltd., China) and were immediately transported to the Department of Clinical Laboratory in a dry tube environment, where they were hydrated and tested for CT, UU, and NG by qRT-PCR.
At both clinics, staff members obtain urethral swabs from men for Gram stain and culture, and urine for nucleic acid amplification testing (NAAT) for Ng.
The clinical specimens for microbiological studies collected from the selected population included vaginal and endocervical swabs from women, urethral swabs from men, and blood from all subjects.
In males, the majority of patients experience symptoms; however there is an understandable reluctance to undergo the invasive testing required for culture (urethral swabs) which may lead to an underestimate of prevalence.
However, until now, male rapid tests for Chlamydia have been relatively inaccurate and involved urethral swabs, which can cause discomfort.