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The T wave contains more information than the QT interval. The T wave can be described by its symmetry, skewness, slope of ascending and descending limbs, amplitude and subintervals like the T peak –T end interval. [1] In most leads, the T wave is positive. This is due to the repolarization of the membrane.
The human Y chromosome showing the SRY gene which codes for a protein regulating sexual differentiation. Sexual differentiation in humans is the process of development of sex differences in humans. It is defined as the development of phenotypic structures consequent to the action of hormones produced following gonadal determination. [1]
Sexual orientation. The hormonal theory of sexuality holds that, just as exposure to certain hormones plays a role in fetal sex differentiation, such exposure also influences the sexual orientation that emerges later in the individual. Prenatal hormones may be seen as the primary determinant of adult sexual orientation, or a co-factor.
Sex differences in human physiology are distinctions of physiological characteristics associated with either male or female humans. These differences are caused by the effects of the different sex chromosome complement in males and females, and differential exposure to gonadal sex hormones during development. Sexual dimorphism is a term for the ...
Sexual inversion is a theory of homosexuality popular primarily in the late 19th and early 20th century. [a] Sexual inversion was believed to be an inborn reversal of gender traits: male inverts were, to a greater or lesser degree, inclined to traditionally female pursuits and dress and vice versa. [2] The sexologist Richard von Krafft-Ebing ...
Sex assignment (also known as gender assignment[ 1 ][ 2 ]) is the discernment of an infant's sex, typically made at birth based on an examination of the baby's external genitalia by a healthcare provider such as a midwife, nurse, or physician. [ 3 ] In the vast majority of cases (99.95%), sex is assigned unambiguously at birth.
v. t. e. Disorders of sex development (DSDs), also known as differences in sex development or variations in sex characteristics (VSC), [2] [3] are congenital conditions affecting the reproductive system, in which development of chromosomal, gonadal, or anatomical sex is atypical. [4]
In 1978 Women and sex roles: A social psychological perspective was published, one of the first textbooks on the psychology behind women and sex roles. [15] Another textbook to be published, Gender and Communication, was the first textbook to discuss the topic of its subject. [16] Other influential academic works focused on the development of ...