| C3 | third cervical nerve; third cervical vertebra; third component of complement |
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| C4 | fourth cervical nerve; fourth cervical vertebra; fourth component of complement |
| C5 | fifth cervical nerve; fifth cervical vertebra; fifth component of complement |
| C6 | sixth cervical nerve; sixth cervical vertebra; sixth component of complement |
| C7 | seventh cervical nerve; seventh cervical vertebra; seventh component of complement |
| smear culture | A culture obtained by spreading material presumed to be infected on the surface of a solidified medium. (05 Mar 2000) |
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| smear dab | <zoology> The sand fluke . Source: Websters Dictionary (01 Mar 1998) |
| smear layer | Adherent debris produced when cutting the enamel or dentin in cavity preparation. It is about 1 micron thick and its composition reflects the underlying dentin, although different quantities and qualities of smear layer can be produced by the various instrumentation techniques. Its function is presumed to be protective, as it lowers dentin permeability. However, it masks the underlying dentin and interferes with attempts to bond dental material to the dentin. (12 Dec 1998) |
| sputum smear | A group of cytologic specimens containing material from the lower respiratory tract and consisting mainly of sputum (spontaneous, induced) and material obtained at bronchoscopy (aspirated, lavaged, brushed); used for cytologic study of cancer and other diseases of the lungs. Synonym: bronchoscopic smear, sputum smear. (05 Mar 2000) |
| stool smear | A microscopic slide preparation that is used to identify pathogenic micro-organisms within a stool specimen. (27 Sep 1997) |
| duodenal smear | A group of cytologic specimens containing material from the mouth (oral smear), oesophagus and stomach (gastric smear), duodenum (paraduodenal smear), and colon, obtained by specialised lavage techniques; used principally for the diagnosis of cancer of those areas. (05 Mar 2000) |
| oesophageal smear | A group of cytologic specimens containing material from the mouth (oral smear), oesophagus and stomach (gastric smear), duodenum (paraduodenal smear), and colon, obtained by specialised lavage techniques; used principally for the diagnosis of cancer of those areas. (05 Mar 2000) |
| oral smear | A group of cytologic specimens containing material from the mouth (oral smear), oesophagus and stomach (gastric smear), duodenum (paraduodenal smear), and colon, obtained by specialised lavage techniques; used principally for the diagnosis of cancer of those areas. (05 Mar 2000) |
| ectocervical smear | A cytologic smear of material obtained from the ectocervix, usually by scraping; used principally for the diagnosis of late cervical cancers involving the ectocervix. (05 Mar 2000) |
| endocervical smear | A cytologic smear of material obtained from the endocervical canal by swab, aspiration, or scraping; used principally for the detection of early cervical cancer. (05 Mar 2000) |
| endometrial smear | A group of cytologic smear's containing material obtained directly from the endometrium by aspiration, lavage, or brushing of the uterine cavity. (05 Mar 2000) |
| faecal smear | <investigation> A microscopic slide preparation that is used to identify pathogenic micro-organisms within a stool specimen. (27 Sep 1997) |
| fast smear | A cytologic smear containing material from the vaginal pool and pancervical scrapings, mixed and prepared on one microscopic slide, smeared, and fixed immediately; used principally for routine screening of ovaries, endometrium, cervix, vagina, and hormonal states. (05 Mar 2000) |
| FGT cytologic smear | Female genital tract cytologic smear, any cytologic smear obtained from the female genital tract. (05 Mar 2000) |
| urinary smear | A group of cytologic specimens containing processed urine obtained from bladder, ureters, or renal pelvis; used for cytologic study of cancer and other diseases of the urinary tract. (05 Mar 2000) |