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the secretions and material that accumulate in the posterior fornix of the vagina; used for sampling, principally for evaluation after premature rupture of the membranes.
The mucus and cells that are present in the posterior fornix of the vagina when the patient is in a supine position. Material obtained from this site is used in cancer detection and in evaluating the character of the vaginal fluid in investigating infertility problems.
See also: pool