reversal

[re-ver´sal]

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

Farlex Partner Medical Dictionary © Farlex 2012

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.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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References in periodicals archive

Induced sex reversal and spawning of blue-spotted grouper, Epinephelus fario.

Functional feminization of the Mexican snook (Centropomus poeyi) using 17[beta]-estradiol in the diet

Sex differentiation and hormonal sex reversal in the bagrid catfish Pseudobagrus fulvidraco (Richardson).

Effects of 17[alpha]-methyltestosterone and aromatase inhibitor letrozole on sex reversal, gonadal structure, and growth in yellow catfish pelteobagrus fulvidraco

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.

A CYP19 based sex determination and monosex production in aquaculture species Oreochromis niloticus L. and a Cyprinid Cyprinus carpio L

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.

A syntenic region conserved from fish to mammalian X chromosome

Inducement of sex reversal in Sarotherodon niloticus (Linnaeus).

Somatic growth effects of intramuscular injection of growth hormone in androgen-treated juvenile Nile tilapia, Oreochromis niloticus (Perciformes: Cichlidae)

female sex reversal DSDs have unsettled the binary divide in

Not judging by appearances: the role of genotype in Jewish law on intersex conditions

2004.--Effect of Fluoxymesterone Fish Feed Granule on Sex Reversal of the Hybrid, Thai Red Tilapia (Oreochromis niloticus Linn.

Monografia de protocolos para obtener poblaciones monosexo de tilapia nilotica (Oreochromis niloticus; TREW. 1983)

Production of mono-sex populations in several fish species require sex reversal, which is induced by steroid hormones (Shelton et al., 1995).

17a-Methyltestosterone Induced Masculinization and its Effect on Growth and Meat Quality of Cyprinus carpio

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.

Developing hybrid peppers: Capsicum annuum L. 'Hungarian Hot Wax' X Capsicum annuum L. 'earliest ace sweet' for zone 3B hardiness

However, whether this increase is the direct cause of sex reversal is unknown.

Antiestrogens inhibit xenoestrogen-induced brain aromatase activity but do not prevent xenoestrogen-induced feminization in Japanese medaka (Oryzias latipes)

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.

Displasia campomelica. Descripcion de un caso