sex reversal

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a turning or change in the opposite direction.
sex reversal a change in characteristics from those typical of one sex to those typical of the other.

sex reassignment

a process whereby the sex of a patient is changed by a combination of psychiatric, psychological, pharmacologic, and surgical procedures, usually as a part of the treatment of hermaphroditism or transsexualism.
Synonym(s): sex reversal

sex re·ver·sal

, sex reassignment (seks rĕ-vĕr'săl, rē'ă-sīn'mĕnt)
A process whereby the sexual identity of a person is changed from one sex to the other (e.g., by a combination of surgical, pharmacologic, and psychiatric procedures); it may also occur in the life history of a pseudohermaphroditic individual whose sex at birth was uncertain; initially reared as members of one gender or sex role, such people may, on subsequent medical examination and advice, be reared thereafter as members of the opposite gender or sex role.
References in periodicals archive ?
Induced sex reversal and spawning of blue-spotted grouper, Epinephelus fario.
The putative action of tamoxifen and letrozole was found more or less similar for their masculinizing effects; however, the effect of letrozole was more potent suggesting that the chemical could be used in reproductive management and sex reversal of such important aquaculture species.
Nagahama, "Sexual dimorphic expression of DMRT1 and Sox9a during gonadal differentiation and hormone-induced sex reversal in the teleost fish nile tilapia (Oreochromis niloticus)," Developmental Dynamics, vol.
female sex reversal DSDs have unsettled the binary divide in
2004.--Effect of Fluoxymesterone Fish Feed Granule on Sex Reversal of the Hybrid, Thai Red Tilapia (Oreochromis niloticus Linn.
Production of mono-sex populations in several fish species require sex reversal, which is induced by steroid hormones (Shelton et al., 1995).
Este gen, el DAX-1 (Dosage dependent sex reversal), ha sido donado y presentado como un miembro de la familia de los receptores nucleares hormonales (Muscatelli et al.
A Hungarian Hot Wax pepper plant and an Earliest Ace Sweet pepper plant were crossed by sex reversal pollination, meaning the pollen from the male Hungarian Hot Wax was put onto the stigma of the female Earliest Ace Sweet and the pollen from the male Earliest Ace Sweet was put onto the stigma of the female Hungarian Hot Wax.
The karyotyope results can show sex reversal. Mutations in the gene SOX9 are responsible in most of the cases for the skeletal and genital anomalies.