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Medical Definition of Testicular feminization
1. A condition, due to lack of cellular receptors for testosterone and dihydrotestosterone, in which the subject is phenotypically female but lacks nuclear sex chromatin and is of xy chromosomal sex. The uterus and tubes are absent or rudimentary, and the gonads are typically testes and may be abdominal or inguinal in position. The incomplete form is marked by partial fusion of the labioscrotal folds and clitoromegaly, and at puberty, variable feminization and partial virilization may both take place. (12 Dec 1998)