Relating to the region of the anus and the genitalia, especially the external genitalia.
a. cleft — congenital anomaly in which there is a common opening for anus and genital tract, as in a cloaca.
a. distance — physical distance between anus and the genitalia (base of the genital tubercle in the fetus); used to discriminate between the sexes in the neonates in some species, especially cats and guinea pigs.
a. papilloma — see anogenital warts (below).
a. raphe — line of union between the two halves of the perineum.
a. warts — papillomas transmitted venereally. Caused by the papilloma virus. Esthetically unattractive but generally cause little inconvenience.
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