Sexual stimulation
Encyclopedia
Sexual stimulation is any stimulus
Stimulation
Stimulation is the action of various agents on nerves, muscles, or a sensory end organ, by which activity is evoked; especially, the nervous impulse produced by various agents on nerves, or a sensory end organ, by which the part connected with the nerve is thrown into a state of activity.The word...

 (including, but by no means limited to, bodily contact) that leads to, enhances and maintains sexual arousal
Sexual arousal
Sexual arousal, or sexual excitement, is the arousal of sexual desire, during or in anticipation of sexual activity. Things that precipitate human sexual arousal are called erotic stimuli, or colloquially known as turn-ons. There are many potential stimuli, both physical or mental, which can cause...

, and may lead to ejaculation
Ejaculation
Ejaculation is the ejecting of semen from the male reproductory tract, and is usually accompanied by orgasm. It is usually the final stage and natural objective of male sexual stimulation, and an essential component of natural conception. In rare cases ejaculation occurs because of prostatic disease...

 and/or orgasm
Orgasm
Orgasm is the peak of the plateau phase of the sexual response cycle, characterized by an intense sensation of pleasure...

. Although sexual arousal may arise without stimulation, achieving orgasm usually requires sexual stimulation.

The term often implies stimulation of the genitals
Sex organ
A sex organ, or primary sexual characteristic, as narrowly defined, is any of the anatomical parts of the body which are involved in sexual reproduction and constitute the reproductive system in a complex organism; flowers are the reproductive organs of flowering plants, cones are the reproductive...

 but may also include stimulation of other areas of the body, stimulation of the senses (such as sight or hearing) and mental stimulation (i.e. from reading or fantasizing).

Sufficient stimulation of the penis
Penis
The penis is a biological feature of male animals including both vertebrates and invertebrates...

 in males and the clitoris
Clitoris
The clitoris is a sexual organ that is present only in female mammals. In humans, the visible button-like portion is located near the anterior junction of the labia minora, above the opening of the urethra and vagina. Unlike the penis, which is homologous to the clitoris, the clitoris does not...

 in females usually results in an orgasm. Stimulation can be by self (eg. masturbation
Masturbation
Masturbation refers to sexual stimulation of a person's own genitals, usually to the point of orgasm. The stimulation can be performed manually, by use of objects or tools, or by some combination of these methods. Masturbation is a common form of autoeroticism...

) or by a partner (sexual intercourse
Sexual intercourse
Sexual intercourse, also known as copulation or coitus, commonly refers to the act in which a male's penis enters a female's vagina for the purposes of sexual pleasure or reproduction. The entities may be of opposite sexes, or they may be hermaphroditic, as is the case with snails...

, oral sex
Oral sex
Oral sex is sexual activity involving the stimulation of the genitalia of a sex partner by the use of the mouth, tongue, teeth or throat. Cunnilingus refers to oral sex performed on females while fellatio refer to oral sex performed on males. Anilingus refers to oral stimulation of a person's anus...

, mutual masturbation, etc.), by use of objects or tools, or by some combination of these methods.

Some people practice orgasm control
Orgasm control
Orgasm control, also known as "edging", "peaking", "surfing", and by other terms, is a sexual technique which involves the maintenance of a high level of sexual arousal for an extended period of time without reaching orgasm, although orgasm can be reached eventually. If orgasm is not reached after...

, whereby a person or their sexual partner
Sexual partner
Sexual partners are people who engage in sexual activity together. The sexual partners can be of any gender or sexual orientation. The sexual partners may be in a committed relationship, either on an exclusive basis or not, or engage in the sexual activity on a casual basis...

 controls the level of sexual stimulation to delay orgasm, and to prolong the sexual experience leading up to orgasm.

Physical sexual stimulation

Physical sexual stimulation usually consists of the touching of parts of the human body, especially erogenous zone
Erogenous zone
An erogenous zone is an area of the human body that has heightened sensitivity, the stimulation of which may result in the production of erotic sensations or sexual excitement.People have erogenous zones all over their bodies, but which areas are more sensitive than others vary...

s. Masturbation
Masturbation
Masturbation refers to sexual stimulation of a person's own genitals, usually to the point of orgasm. The stimulation can be performed manually, by use of objects or tools, or by some combination of these methods. Masturbation is a common form of autoeroticism...

, sexual intercourse
Sexual intercourse
Sexual intercourse, also known as copulation or coitus, commonly refers to the act in which a male's penis enters a female's vagina for the purposes of sexual pleasure or reproduction. The entities may be of opposite sexes, or they may be hermaphroditic, as is the case with snails...

, oral sex
Oral sex
Oral sex is sexual activity involving the stimulation of the genitalia of a sex partner by the use of the mouth, tongue, teeth or throat. Cunnilingus refers to oral sex performed on females while fellatio refer to oral sex performed on males. Anilingus refers to oral stimulation of a person's anus...

, and a handjob
Handjob
Handjob is a slang or informal word referring to an act of manual stimulation of a male's penis by a sexual partner, whether female or male, usually to the point of orgasm and ejaculation. The act is similar to male masturbation, though the latter is performed by a male on himself...

 are considered types of sexual stimulation. Physiological reactions are usually triggered through sensitive nerves in these body parts, which cause the release of pleasure-causing chemicals that act as mental rewards to pursue such stimulation. Arousal
Arousal
Arousal is a physiological and psychological state of being awake or reactive to stimuli. It involves the activation of the reticular activating system in the brain stem, the autonomic nervous system and the endocrine system, leading to increased heart rate and blood pressure and a condition of...

is usually the term used to describe such a physiological reaction. Physical sexual stimulation may also involve the touching of other people's body parts and may trigger similar physiological reactions.
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