Sexual Dictionary - letter S

Sadism
sexual pleasure or gratification in the infliction of pain, suffering or humiliation and degradation on a sexual partner.
Safe sex
sexual behavior in a relationship where neither party is infected with a sexually transmitted disease or urinary tract infection. This is done by minimizing the exchange of bodily fluids, usually by using condoms and dental dams for intercourse and oral sex, by having sex with only one known partner, by limiting sexual activity to less risky sexual practices or by abstinence.
Salpingectomy
surgical procedure to remove one or both fallopian tubes.
Salpingitis
inflammation of the fallopian tube. Salpingitis is caused by a bacterial infection that spreads into the fallopian tube(s) from the vagina, cervix, or uterus. The infection is often sexually transmitted such as gonorrhea and chlamydia. The symptoms of salpingitis include pain in the lower abdomen, especially when move or walking, during a vaginal sex, during vaginal exam, during periods, abnormal color and smell in vaginal discharge, spotting between periods, fever, need to urinate frequently. Salpingitis is one of the most common causes of female infertility. If not promptly treated, the infection may permanently damage the fallopian tube so that the eggs released each menstrual cycle can't meet up with sperm.
Satyriasis
abnormally intense, excessive sexual desire in men.
Scabies
a contagious skin disease caused by a parasitic mite called Sarcoptes scabiei and characterized by intense itching. Transmission can occur while sleeping with, or having sexual intercourse with an infected person, thru body contact or by bed sheets or lingerie.
Scrotum
the pouch of skin behind the penis that holds the testicles.
Also called scrotal pouch.
Sebaceous glands
glands in the skin that open into hair follicles and secrete an oily substance called sebum to the surface of the skin. Sebum acts to protect and waterproof hair and skin.
Secondary sexual characteristics
physical features developed at puberty that distinguish between the sexes but are not involved in reproduction. Secondary sexual characteristics are the ones that develop at puberty. It is not the anatomy someone was born with.
In males, this refers to the maturing of the testicles and associated things to be able to produce sperm, the development of facial, body and pubic hair, deepening of the voice and a change in musculature and body shape.
In females, this refers to the maturing of the reproductive system leading to menarche and the subsequent menstrual cycle, development of breasts together with nipples and mammary glands, growth of body and pubic hair and development of the feminine body shape.
Semen
a whitish, thick fluid made of seminal fluids and spermatozoa which comes out of the penis during ejaculation.
Seminal fluid
fluid, part of semen without the spermatozoa. It contains fluid from the seminal vesicles, the prostate and the bulbourethral glands, in addition to sperm.
Seminal vesicles
a pair of glands on the posterior surface of the urinary bladder of males. They secrete about two-thirds of the seminal fluid. Seminal vesicle secretions contain proteins, enzymes, fructose, and nourish and promote the movement of spermatozoa through the urethra, and protects the sperm after it has left the penis during ejaculation.
Septate uterus
anatomical condition of the uterus in which the uterus it is divided into two cavities by a wall of tissue called septum. The septum may be very minor and paper thin, causing no problem to a pregnancy, or may be very thick and unmovable, increasing the chance for miscarriage and premature labor. See also uterine anomaly.
Seroconversion
the development of antibodies in the blood serum of a person as a result of an infection, following the contact between the immune system of the body and the pathogenic agent. Thru seroconversion the person's antibody status changes from negative to positive. Seroconversion does not occurs immediately after the contact between immune system and the pathogenic agent but after a certain period of time necessarily for the immune system to produce the specific antibodies, period of time that can vary from a pathogenic agent to another. It reefers to any kind of infection.
Seropositivity
showing the presence of the antibody and/or the antigen in blood serum. It reefers to any kind of infection. In HIV infection the ... is HIV - positive.
Sex flash
the reddening of the skin during sexual activity due to the vasocongestion (increased blood flow).
Sex hormone
hormones produced by the testicles, ovaries, and adrenal glands that play a major role in reproduction and sexual identity. They include : estrogens progesterone testosterone.
Sex reassignment surgery (SRS)
modification of sex characteristics by surgery. The surgical procedures by which a person's physical appearance and function of their existing sexual characteristics are changed to that of the other sex. It is part of a treatment for gender identity disorder in transsexual people. Sex reassignment surgery from male to female includes surgeries which will shape a male body into a body with the appearance of and, as far as possible, the functioning of a female body - the testicles are removed and the penis is usually inverted to form a vagina, enhancement of breasts, re-shaping of facial features, or surgery to lift the voice. Sexual reassignment surgery from female to male includes surgical procedures which will reshape a female body into a body with a male appearance - the removal of female breasts and the shaping of a male contoured chest, the removal of the uterus and sometimes other genital reconstructive procedures.
Sex toy
any object or device that is primarily used in facilitating human sexual pleasure.
Sexual attraction
type of attraction in which a person is drawn to another in order to have a sexual relationship. Much of human sexual attractiveness is governed by physical attractiveness. This involves the senses, in the beginning especially : visual perception - how the other looks, audition - how the other sounds, especially the voice, olfaction - how the other smells, naturally or artificially. But also a person can attract or reject by its personality and behavior. Accordingly to its patterns these may or may not make a person to feel sexual attraction for another person.
Sexual behavior
a form of physical intimacy that may be directed to reproduction (one possible goal of sexual intercourse) and/or to the enjoyment of activity involving sexual gratification. Sexual behavior has a wide range of expression starting and may include :
All sexual behaviors that involve the direct contact between skins or the contact of semen with the vagina or vulva or vaginal fluids with the penis or any other exchange of bodily fluids may result in sexually transmitted diseases (STDs). All sexual behaviors that involve the contact of semen with the vagina or vulva may result in pregnancy.
Sexual orientation
the focus of a person's physical and emotional desires, fantasies, and feelings. A person's sexual orientation is classified as being :
  • heterosexual, if the focus is primarily a person of the opposite sex
  • homosexual, if the focus is primarily a person of the same sex
  • bisexual, if it may be a person of either sex
  • asexual, if there is no sexual attraction to anyone
Sexual orientation can be evaluated as "normal" or "abnormal" primarily according to the norms of the society and not according to the orientation itself.
> A person's sexual behavior may or may not reflect its sexual orientation.
Also called sexual preference or sexual inclination.
Sexual penetration
penetration of an orifice as part of a sexual act.
Sexual perversion
an aberrant sexual practice that is preferred to normal intercourse. See also paraphilia.
Sexual pleasure
pleasure derived from sexual activities.
Sexual response cycle
the set of physiological and emotional changes that lead to and follow orgasm. There are various models of the phases of the sex response cycle. Usually, these models include three, four, or five distinct phases. The four phases model includes :
  • excitement - can last for just a few minutes or extend for several hours. Characteristics of this phase include : an increasing level of muscle tension, a quickened heart rate, flushed skin, the onset of vasocongestion. Additional changes in women include hardened or erect nipples and the enlarge of breasts, swelling of the clitoris and labia minora, the vaginal walls begin to produce a lubricating liquid, the uterus elevates and grows in size, vagina swells and the muscle that surrounds the vaginal opening, called the pubococygeal muscle, grows tighter. In men the urinary bladder closes to block the possibility of urine mixing with the semen.Additional changes in men include elevation and swelling of the testicles and erection of the penis, tightening of the scrotal sac, and secretion of a lubricating liquid by the Cowper's glands
  • plateau - characterized primarily by the intensification of all of the changes begun during the excitement phase. During plateau phase, the woman's clitoris may become so sensitive that it is painful to the touch. The plateau phase extends to the brink of orgasm, which initiates the reversal of all of the changes begun during the excitement phase.
  • orgasm - the peak of sexual excitement. Characteristics of this phase include : involuntary body muscle contractions, heightened blood pressure and heart rate, rapid intake of oxygen, sphincter muscle contraction, and sudden forceful release of sexual tension. For men, orgasm generally ends in the ejaculation of semen. For women, orgasm also consists of rhythmic muscle contractions of the uterus
  • resolution - the body returns to normal levels of heart rate, blood pressure, breathing, and muscle contraction. Swelled and erect body parts return to normal and skin flushing disappears. The resolution phase is marked by a general sense of well being and enhanced intimacy and possibly by fatigue as well. Males, especially as they age, experience a refractory period of varying duration after orgasm. Many women are capable of a rapid return to the orgasmic phase with minimal stimulation and may experience continued orgasms for up to an hour
Sexual stimulation
any stimulus that leads to arousal or orgasm.
Sexually Transmitted Disease
any of various diseases that are usually contracted through sexual intercourse or other intimate sexual contact. Most of the sexually transmitted diseases are localized on sexual organs area.
Commonly sexually transmitted disease are :
Less commonly sexually transmitted diseases are :
Same sexually transmitted diseases can lead to infertility. Some sexually transmitted diseases are incurable.
Sexually transmitted diseases are also called sexually transmitted infections (STIs) or venereal diseases.
Shaft
main part of a penis.
Skin
the flexible tissue forming the external natural protective covering of the body, serving vital protective and metabolic functions of the body. It contains two main layers of cells :
  • epidermis - a thin outer layer where young cells continuously multiply, the older cells gradually shedding as calluses or collections of dead skin. Contains in its deeper strata melanin, the pigment that gives color to the skin
  • dermis - a thicker inner layer contains connective tissue in which are embedded blood vessels, lymph channels, nerve endings, sweat glands, sebaceous glands, fat cells, hair follicles, and muscles
The skin provides a barrier against invasion by outside organisms and protects underlying tissues and organs from abrasion and other injury, its pigments shield the body from the dangerous ultraviolet rays in sunlight, waterproofs the body, preventing excessive loss or gain of bodily moisture, its numerous sweat glands excrete waste products along with salt-laden moisture, the evaporation cooling of the body, its fat cells act as insulation against cold and produce the D vitamin. Skin has self-healing properties - injuries of the dermis or deeper wounds, penetrating to the underlying tissue, heal by scar formation. Skin can be donated and transplanted.
Smear
sample, as of blood or bacterial cells, spread on a slide for microscopic examination or on the surface of a culture medium. Used for diagnosis in cervix dysplasia, condyloma or the health of vagina.
Smegma
a substance consisting of a combination of shed epithelial cells, skin oils and moisture forming a cheesy secretion that can accumulate under the foreskin of uncircumcised males and within the female vulvar area especially around the clitoris. Smegma helps clean and lubricate the genitals. It should not be allowed to accumulate because of the unpleasant smelling and because accumulation of smegma can cause or aggravate balanitis. Smegma can be removed by wiping or washing the genital area.
Sodomy
term of religious origin referring to oral or anal sexual intercourse between persons or sexual intercourse between a person and an animal.
Sperm
spermatozoon.
Spermatozoon
(pl. spermatozoa) the mature, mobile reproductive cell of male, produced by the testicles. It is carried by semen, and is capable of fertilizing an egg cell. Spermatozoa are released inside the woman's vagina thru ejaculation. Spermatozoa can live inside woman's genital tract up to 5 days.
Spermatic cord
a cordlike structure, consisting of the vas deferens and its accompanying arteries, veins, nerves, and lymphatic vessels, that passes from the abdominal cavity through the inguinal canal down into the scrotum to the back of the testicle.
Spermatogenesis
development of spermatozoa.
Spermicidal
destructive to spermatozoa.
Spermicides
a chemical agent that kills spermatozoa or destroy their mobility. Spermicides are used as a form of birth control, either alone or paired with another method such as a condom or diaphragm. Can be creams, jellies, foams or spray.
Spotting
light bleeding that occurs at a time during the month other than the menstruation.
Staphylococcus
a type of bacteria that may cause various types of infections of the skin or in any organ of the body.
STDs
acronym from Sexually Transmitted Diseases.
Sterility
the state of a man or a woman unable to have a baby. One of the major causes of sterility is sexually transmitted diseases.
Sterilization
a surgical method, such as tubal ligation for women and vasectomy for men, that renders an individual unable to procreate. It is a permanent birth control method.
Streptococcus
a type of bacteria that may cause various types of infections.
Striptease
a performance (usually a dance) in which the performer gradually removes his or her clothing for the purposes of sexually arousing the audience. Usually performed in nightclubs. The performer is called stripper.
Surgery
the branch of medicine concerned with treating diseases or injuries by operative manual and instrumental treatment. The specialist is called surgeon.
Swinging
the practice of exchanging of partners by two couples for sexual activities.
  • open swinging – partners swap and have sexual intercourse in the same room, or bed
  • closed swinging – partners swap, but have sexual intercourse in separate rooms
  • soft swing - two couples agree to watch each other during sexual activities
Symptom
any sensation, physical condition, or perceptible change in bodily function that is experienced by a person and is associated with a particular disease, illness or disorder.
Anything that accompanies a situation and is regarded as an indication of situation's existence.
Syndrome
a group of symptoms that collectively indicate or characterize a disease, a psychological disorder, or another abnormal condition.
Syphilis
a sexually transmitted disease caused by Treponema pallidum bacteria. Syphilis has three stages in its development :
  • primary stage - characterized by the appearance of a single or multiple sore (called chancre) which is usually firm, round, small, and painless and appears at the spot where syphilis entered the body ( penis, around or in the vagina, anus or in the mouth). The chancre lasts 3 to 6 weeks, and it heals without treatment but the infection will progresses if adequate treatment is not administered
  • secondary stage - characterized by skin rash and mucous membrane lesions on one or more areas of the body appearing as the chancre is healing or several weeks after the chancre has healed. Also might appear fever, swollen lymph glands, sore throat, patchy hair loss, headaches, weight loss, muscle aches, and fatigue. The symptoms may resolve without treatment, but the infection will progress
  • third (or late) stage - begins when secondary symptoms disappear. Symptoms of the third stage may include difficulty coordinating muscle movements, paralysis, numbness, gradual blindness, and dementia as the infection attacks the brain, nerves, eyes, heart, liver, bones, and joints
Because syphilis wide spread it is very important to take precautions by practicing safer sex.