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.

dimorphism

the quality of existing in two distinct forms.

sexual dimorphism
1. physical or behavioral differences associated with sex; males and females of the same species are different in appearance.
2. having some properties of both sexes, as in the early embryo and in some hermaphrodites.

sexual

pertaining to sex.

sexual behavior
includes masturbation, courtship, mating, estral display.
sexual cycle
estral cycle.
sexual differentiation
identification of the sex of a patient is done usually by an examination of external genitalia; preparation and examination of a karyotype is the preferred laboratory method.
sexual dimorphism
differences in structure or physical characteristics between males and females of the same species, e.g. horns in some breeds of sheep, feather coat color in many species of birds.
sexual intercourse
see mating.
sexual maturity
capable of mating. Occurs at different ages in different species and in different races and even breeds.
sexual receptivity
behavioral changes in female animals at the time of estrus; involves acceptance of male efforts at copulation and, in some species, actively seeking the male.
sexual rest
circumstances in which no sexual intercourse takes place.
References in periodicals archive ?
Initiating hormone suppression for adolescents with GD early in puberty can greatly reduce the emotional trauma, as well as the need for surgery related to unwanted secondary sex characteristics.
2011), men with a comparatively lower desire to produce offspring may be not only attending to reproductively-relevant secondary sex characteristics, but also overriding the presumably adaptive (evolutionary) preference for cues indicative of female fertility.
testes with oocytes) and decreased expression of secondary sex characteristics (Lange et al.
Testosterone is important in sex determination and development, whereas 11KT is crucial to testes maturation and the expression of secondary sex characteristics (Godwin et al.
Unlike in horses (Equus caballus) with similar skeletal structure as moose, pelvic inlets of moose show no distinctive sex characteristics on an individual level.
This includes the activity of the accessory male sex organs and development of male secondary sex characteristics.
It subsumes both a biological understanding of sexuality in which a person can articulate an orientation to a type of genitals or secondary sex characteristics.
1 parts per billion, it can alter the development of sex characteristics in male frogs, and has been banned in Europe.
One reason the term "intersex" has become favoured is that it applies to anyone who has biological sex characteristics that are somewhere between the "normal" male and the "normal" female.
Estrogen replacement therapy was given for induction of female secondary sex characteristics.
Male frogs exposed to minute doses of the herbicide can develop female sex characteristics, including hermaphroditism and the presence of eggs in the testes.