sexual dimorphism

(redirected from Sex characteristics)
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Related to Sex characteristics: Secondarysexualcharacteristics

dimorphism

 [di-mor´fizm]
the quality of existing in two distinct forms. adj., adj dimor´phic, dimor´phous.
sexual dimorphism physical or behavioral differences associated with sex.
having some properties of both sexes, as in the early embryo and in some hermaphrodites.

sex·u·al di·mor·phism

the somatic differences within species between male and female individuals that arise as a consequence of sexual maturation; inclusive of, but not restricted to, the secondary sexual characteristics.
A physical dichotomy between males and females of a particular species

sex·u·al di·morph·ism

(sek'shū-ăl dī-mōr'fizm)
The somatic differences within species between male and female individuals that arise as a consequence of sexual maturation, including, but not restricted to, the secondary sexual characters.

sexual dimorphism

the presence in a population of two sexes each with a different PHENOTYPE, a classic example of a GENETIC POLYMORPHISM. The underlying mechanism varies in different organisms, but is often controlled by genes on special SEX CHROMOSOMES (see SEX DETERMINATION).

sex·u·al di·morph·ism

(sek'shū-ăl dī-mōr'fizm)
Somatic differences within species between male and female individuals that arise as a consequence of sexual maturation.
References in periodicals archive ?
Some trans people seek gender-affirming medical treatment to masculinize or feminize their body, which often involves hormonal treatments to stimulate desired secondary sex characteristics and block undesired ones from developing further.
These compounds are important for the secondary sex characteristics in dogs and for reproductive health and fertility.
Our vision is of a world where dignity, freedoms and full enjoyment of human rights are protected and ensured to everyone regardless of their actual or perceived sexual orientation, gender identity, gender expression and sex characteristics
In an open letter to the IAAF, its women's rights director Liesl Gerntholtz wrote: "The IAAF eligibility regulations for the female classification discriminate against women on the basis of their sex and their sex characteristics.
Sex hormones also control the sex characteristics like breast development in women, testicular development in men, and pubic hair growth.
Water Quality Studies--We've previously reported on the increasingly common finding of fish with abnormal sex characteristics, notably male fish with eggs, greatly reducing spawning success.
"The United States stands with people around the world in affirming the dignity and equality of all people regardless of sexual orientation, gender identity or expression, or sex characteristics," the statement declares.
Congenital adrenal hyperplasia (CAH) is an autosomal recessive condition with an incidence of approximately 1 in 12,500 Caucasian births.1 It is caused by the mutations of genes for enzymes mediating the biochemical steps of production of mineralocorticoids, glucocorticoids or sex steroids from cholesterol by the adrenal glands (steroidogenesis).2 Most of these conditions involve excessive or deficient production of sex steroids and can alter development of primary or secondary sex characteristics in some affected infants, children or adults.3 CAH is characterized by deficiency of one of the enzymes required to make cortisol - required for stress response, maintenance of blood pressure; aldosterone - required for salt retention; or androgens - for virilization of the fetus (rare form).
It is produced mainly in the testes and is responsible for the development of male sex characteristics. In males, it is the hormone which develops secondary sex characteristics at puberty.
Treatment may also include hormone therapy and surgery to bring about physical sex characteristics typical of their gender identity.<br />By the end of his freshman year at Gloucester, Grimm began the process of transitioning to live in accordance with his male identity.
"On the occasion of the International Day against Homophobia, Transphobia and Biphobia, the European Union reaffirms its commitment to combat all forms of discrimination and hate crime, on the grounds of sexual orientation, gender identity and sex characteristics, and to continue to actively promote and protect the human rights of lesbian, gay, bisexual, transgender and intersex (LGBTI) persons.
He explains that however affected athletes identify personally or legally, these sex characteristics give them the well understood physiological advantages that correspond with being male and having an XY genotype, testes, and an androgenic endocrine system.