What's the difference between swab and swad?

Swab

Definition:

(n.) To clean with a mop or swab; to wipe when very wet, as after washing; as, to swab the desk of a ship.
(n.) A kind of mop for cleaning floors, the desks of vessels, etc., esp. one made of rope-yarns or threads.
(n.) A bit of sponge, cloth, or the like, fastened to a handle, for cleansing the mouth of a sick person, applying medicaments to deep-seated parts, etc.
(n.) An epaulet.
(n.) A cod, or pod, as of beans or pease.
(n.) A sponge, or other suitable substance, attached to a long rod or handle, for cleaning the bore of a firearm.

Example Sentences:

(1) A throat swab from one patient grew group A, beta haemolytic streptococci, and in each case unequivocal evidence of seroreaction to streptococcal antigens was present.
(2) The relationship between technique of obtaining Papanicolaou smears, presence of endocervical cells, and rate of cervical neoplasia was studied by comparing an endocervical and ectocervical nylon brush (Bayne brush), Ayre spatula plus endocervical brush, and spatula plus cotton-tipped swab in a randomized, prospective trial involving 11,061 patients.
(3) It should also be realised that, in a very few hospitals, swabs which do not have an opaque marker may occasionally be used in theatre.
(4) In 1961 three rectal swabs were taken to detect carriers; this was increased to 5 in 1962 and now 7 consecutive daily swabs are considered necessary.
(5) The RSV EIA was also used to test 137 nasal swabs obtained from cases of bovine respiratory disease.
(6) One hundred and thirty-two penial-preputial swabbings, 140 raw and 42 processed semen samples were cultured for mycoplasmas.
(7) Intranuclear inclusion bodies and virus particles were found in hepatocytes, and herpes virus was isolated from a liver biopsy and from oral swabs but not from blood.
(8) The results of numerous microbiological investigations of sputa, nose and throat swabs before and during the long-term study are interpreted under certain aspects and questioning.
(9) The DNA fragment was amplified by PCR in all specimens of urine sediments from 50 patients with Chlamydiazyme-positive urethral swab.
(10) At the conclusion of 817 abdominal operations, duplicate swabs were taken from the subcutaneous tissues for microbiological examination; one swab was transported to the laboratory in Stuart's thioglycollate medium and the other immediately incubated in Robertson's cooked meat broth.
(11) In a preliminary study of the transmission rate of Ureaplasma urealyticum, Mycoplasma species, Gardnerella vaginalis, B-Streptococci, Candida species and Chlamydia trachomatis from the mother to the newborn, swabs were taken from 45 parturients and their neonates and cultured by suitable methods.
(12) Our semiquantitative methods for the culture of H. influenzae type b, consisting of inoculation of 0.001 ml of throat swab fluid on antiserum agar plates and division of the results into three grades of intensity, showed agreement as to intensity of colonization in over 80% of repeat throat cultures.
(13) Duplicate high vaginal swabs were obtained from 200 parturient women at Abeokuta (Nigeria).
(14) Five hundred and thirty one samples of pharingeal swabs were obtained from children with ARI.
(15) It may be feasible to use the direct fluorometric test in a diagnostic laboratory as described or possibly to adapt it for automatic processing of throat swab cultures.
(16) Also we cannot take DNA swabs against the suspect's will."
(17) One hundred positive isolations were made from 387 rectal swab specimens; 86 were obtained in human kidney cultures.
(18) The strains of adenovirus were isolated from pharyngeal swabs, kidney cell cultures and stool of tupaias.
(19) Our results clearly demonstrate that pernasal swabs give a representative picture of the adenoid bacterial content.
(20) Quantitative wound swab cultures depend on a thorough sampling of the wound and an efficient recovery of bacteria from the swab.