Sexual arousal

sexually arousedarousalarousedsexually arousinghornysexual excitementturn-onerotic stimulisexual responsesexy
Sexual arousal (also sexual excitement) is the arousal of sexual desire, during or in anticipation of sexual activity.wikipedia
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Human sexual activity

sexual activitysexual behaviorsex
Sexual arousal (also sexual excitement) is the arousal of sexual desire, during or in anticipation of sexual activity.
Sexual activity usually results in sexual arousal and physiological changes in the aroused person, some of which are pronounced while others are more subtle.

Sexual stimulation

sexual pleasureerotic pleasuresexually stimulated
Sexual arousal has several stages and may not lead to any actual sexual activity, beyond a mental arousal and the physiological changes that accompany it. Given sufficient sexual stimulation, sexual arousal in humans reaches its climax during an orgasm.
Sexual stimulation is any stimulus (including bodily contact) that leads to, enhances and maintains sexual arousal, and may lead to orgasm.

Vaginal lubrication

vaginal drynessnatural lubricationvaginal fluid
A number of physiological responses occur in the body and mind as preparation for sexual intercourse and continue during it. Male arousal will lead to an erection, and in female arousal the body's response is engorged sexual tissues such as nipples, vulva, clitoris, vaginal walls and vaginal lubrication. In a woman, sexual arousal leads to increased blood flow to the clitoris and vulva, as well as vaginal transudation - the seeping of moisture through the vaginal walls which serves as lubrication.
Vaginal lubrication is always present, but production increases significantly near ovulation and during sexual arousal in anticipation of sexual intercourse.

Vulva

pudendal cleftexternal female genitaliapussy
A number of physiological responses occur in the body and mind as preparation for sexual intercourse and continue during it. Male arousal will lead to an erection, and in female arousal the body's response is engorged sexual tissues such as nipples, vulva, clitoris, vaginal walls and vaginal lubrication. In a woman, sexual arousal leads to increased blood flow to the clitoris and vulva, as well as vaginal transudation - the seeping of moisture through the vaginal walls which serves as lubrication.
Blood and nerve supply to the vulva contribute to the stages of sexual arousal that are helpful in the reproduction process.

Clitoral erection

clitorisclitoral swellingerecting the clitoral glans
A number of physiological responses occur in the body and mind as preparation for sexual intercourse and continue during it. Male arousal will lead to an erection, and in female arousal the body's response is engorged sexual tissues such as nipples, vulva, clitoris, vaginal walls and vaginal lubrication.
Clitoral erection is the result of a complex interaction of psychological, neural, vascular and endocrine factors, and is usually, though not exclusively, associated with sexual arousal.

Erogenous zone

erogenous zoneserogenouserogenic
The welcome physical stimulation of an erogenous zone or acts of foreplay can result in arousal, especially if it is accompanied with the anticipation of imminent sexual activity.
An erogenous zone (from Greek ἔρως, érōs "love" and English -genous "producing" from Greek -γενής, -genḗs "born") is an area of the human body that has heightened sensitivity, the stimulation of which may generate a sexual response, such as relaxation, the production of sexual fantasies, sexual arousal and orgasm.

Kiss

kissingkissesBlowing a kiss
Given the right context, these may lead to the person desiring physical contact, including kissing, cuddling, and petting of an erogenous zone.
Depending on the culture and context, a kiss can express sentiments of love, passion, romance, sexual attraction, sexual activity, sexual arousal, affection, respect, greeting, friendship, peace, and good luck, among many others.

Foreplay

sexual atmospheresexual play2004Play
The welcome physical stimulation of an erogenous zone or acts of foreplay can result in arousal, especially if it is accompanied with the anticipation of imminent sexual activity.
In human sexual behavior, foreplay is a set of emotionally and physically intimate acts between two or more people meant to create sexual arousal and desire for sexual activity.

Sexual intercourse

sexcopulationintercourse
A number of physiological responses occur in the body and mind as preparation for sexual intercourse and continue during it. Male arousal will lead to an erection, and in female arousal the body's response is engorged sexual tissues such as nipples, vulva, clitoris, vaginal walls and vaginal lubrication.
Foreplay may precede some sexual activities, often leading to sexual arousal of the partners and resulting in the erection of the penis or natural lubrication of the vagina.

Pornography

pornographicpornadult film industry
For example, many people may find nudity, erotica or pornography sexually arousing.
Pornography (often abbreviated porn) is the portrayal of sexual subject matter for the exclusive purpose of sexual arousal.

Paraphilia

sexual perversionparaphiliasparaphilic
When sexual arousal is achieved by or dependent on the use of objects, it is referred to as sexual fetishism, or in some instances a paraphilia.
Paraphilia (previously known as sexual perversion and sexual deviation) is the experience of intense sexual arousal to atypical objects, situations, fantasies, behaviors, or individuals.

Orgasm

sexual gratificationclimaxesclimax
Sexual arousal has several stages and may not lead to any actual sexual activity, beyond a mental arousal and the physiological changes that accompany it. Given sufficient sexual stimulation, sexual arousal in humans reaches its climax during an orgasm.
Although sexual function and sexuality after spinal cord injury is very often impacted, this injury does not deprive one of sexual feelings such as sexual arousal and erotic desires.

Sexual fetishism

fetishsexual fetishfetishes
When sexual arousal is achieved by or dependent on the use of objects, it is referred to as sexual fetishism, or in some instances a paraphilia.
Sexual arousal from a particular body part can be further classified as partialism.

Erotica

eroticerotismErotic Romance
For example, many people may find nudity, erotica or pornography sexually arousing.
Erotica is any artistic work that deals substantively with subject matter that is erotically stimulating or sexually arousing but is not pornographic.

Nudity

nudenakedfull frontal nudity
For example, many people may find nudity, erotica or pornography sexually arousing.
In general and across cultures, public indications of sexual arousal are commonly regarded as embarrassing, both to the person aroused and the onlooker, and for this reason those parts of the human body that would indicate arousal are normally covered.

Persistent genital arousal disorder

On the other hand, a person may be hypersexual, which is a desire to engage in sexual activities considered abnormally high in relation to normal development or culture, or suffering from a persistent genital arousal disorder, which is a spontaneous, persistent, and uncontrollable arousal, and the physiological changes associated with arousal.
Persistent genital arousal disorder (PGAD), previously called persistent sexual arousal syndrome, is spontaneous, persistent, unwanted and uncontrollable genital arousal in the absence of sexual stimulation or sexual desire, and is typically not relieved by orgasm.

Sexual arousal disorder

arousal disorders
However, when a person fails to be aroused in a situation that would normally produce arousal and the lack of arousal is persistent, it may be due to a sexual arousal disorder or hypoactive sexual desire disorder.
Sexual arousal disorder is characterized by a lack or absence of sexual fantasies and desire for sexual activity in a situation that would normally produce sexual arousal, or the inability to attain or maintain typical responses to sexual arousal.

Human penis

penispenisesdick
Sexual arousal for a man is usually indicated by the swelling and erection of the penis when blood fills the corpus cavernosum.
An erection is the stiffening and rising of the penis, which occurs during sexual arousal, though it can also happen in non-sexual situations.

Sexual desire

desiresexual motivationsexual urges
Sexual arousal (also sexual excitement) is the arousal of sexual desire, during or in anticipation of sexual activity.
However, this definition has been met with some disagreement in recent years as it places too much emphasis on Sexual Fantasy which are usually used to supplement sexual arousal.

Vagina

birth canalvaginalvaginas
A number of physiological responses occur in the body and mind as preparation for sexual intercourse and continue during it. Male arousal will lead to an erection, and in female arousal the body's response is engorged sexual tissues such as nipples, vulva, clitoris, vaginal walls and vaginal lubrication.
To accommodate smoother penetration of the vagina during sexual intercourse or other sexual activity, vaginal moisture increases during sexual arousal in human females and other female mammals.

Pre-ejaculate

pre-ejaculatory fluidCowpercowper's fluid
Pre-ejaculate (also known as pre-ejaculatory fluid, pre-seminal fluid or Cowper's fluid, and colloquially as pre-cum) is a clear, colorless, viscous fluid that is emitted from the urethra of the penis during sexual arousal.

Tumescence

detumescencetumescentflaccid
Sexual arousal for a man is usually indicated by the swelling and erection of the penis when blood fills the corpus cavernosum.
Tumescence usually refers to the normal engorgement with blood (vascular congestion) of the erectile tissues, marking sexual excitation, and possible readiness for sexual activity.

Vasocongestion

amount of bloodvaginal vasocongestion
Equally, if sexual stimulation stops before orgasm, the physical effects of the stimulation, including the vasocongestion, will subside in a short time.
Typical causes of vasocongestion in humans includes menstruation, sexual arousal, REM sleep, strong emotions, illnesses and allergic reactions.

Clitoris

clitoralclitoral glansglans clitoridis
In a woman, sexual arousal leads to increased blood flow to the clitoris and vulva, as well as vaginal transudation - the seeping of moisture through the vaginal walls which serves as lubrication.
Although the clitoral body becomes engorged with blood upon sexual arousal, erecting the clitoral glans, some sources describe the clitoral glans and labia minora as composed of non-erectile tissue; this is especially the case for the glans.

Sexual fantasy

sexual fantasiesfantasyfantasies
Older women produce less vaginal lubrication and studies have investigated changes to degrees of satisfaction, frequency of sexual activity, to desire, sexual thoughts and fantasies, sexual arousal, beliefs about and attitudes to sex, pain, and the ability to reach orgasm in women in their 40s and after menopause.
A sexual fantasy or erotic fantasy is a mental image or pattern of thought that stirs a person's sexuality and can create or enhance sexual arousal.