Category: S

A substance secreted by the sex glands directly into the bloodstream. An oestrogen or androgen which promotes the growth of secondary sexual characteristics. Steroid hormone responsible for sexual development and reproductive function. The main female sex hormones are estrogens and progesterone; the male sex hormones are androgens (including testosterone). The hormones that influence sexual differentiation…

A sense of guilt resulting from the violation of personal standards or of proper sexual behavior.  

A gonad.  

A rash that develops in some women during sexual arousal as a result of vasocongestion of blood vessels near the surface of the skin. It begins at the abdomen, spreading to the throat, neck, and finally to the breasts.  

The formal and informal learning about the biological, sociological, psychological, spiritual, and interpersonal aspects of human sexuality. Teaching children about their own sexuality, its joys and hazards and its place in human life. Traditionally children picked up information about sexuality in bits and pieces, not in any formal way, and only in the rarest circumstances…

The desire to seek sexual gratification; also known as libido. Sex drive is thought to peak in the early 20s, and decline slowly thereafter. However, it varies from person to person and with environmental factors such as stress, opportunity to be sexual, and religious and cultural factors. Motivation, both psychological and physiological, for behavior associated…

A type of surgery in which the existing genitalia is removed and a substitute set of genitalia is constructed of the opposite sex. Performed on those who are transsexuals.  

A rapist for whom sexual and aggressive acts have become fused. Violence becomes necessary to attain the desired level of sexual excitement.  

Male or female, gender. Also used to mean coitus. One of two groups, male and female, into which animals and plants can be divided. Classification of male or female based on the physical, psychological, and behavioral characteristics of an animal that relate to reproduction, especially in having specific chromosomes (Y in the human male) and…

The process of handling sewage to safely return it to the environment. The process consists of 1. preliminary treatment to remove solid particles, 2. primary treatment to create a substance void of free oxygen to allow anaerobic bacteria to digest all organic materials, 3. secondary treatment to allow the effluent to come into contact with…