| Glossary list of "E" |
| Early Ejaculation |
| Ejaculation occurring before a man wants it to occur. |
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| Ectopic Pregnancy |
| A life-threatening pregnancy that develops outside the uterus, often in a fallopian tube. |
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| Egg |
| The reproductive cell in women; the largest cell in the human body. |
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| Ejaculation |
| The moment when semen spurts out of the opening of the urethra in the glans of the penis. |
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| Ejaculatory Inevitability |
| The moment during sexual excitement when a man cannot stop his ejaculation. The prostate begins contracting and pulsing out seminal fluid. |
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| Emanicepted Minor |
| A minor who has legal autonomy and usually lives on her or his own without financial support from parents or guardians. |
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| Embryo |
| The organism that develops from the pre-embryo and begins to share the woman's blood supply about nine days after fertilization. |
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| Emergency Contraception |
| The use of oral contraceptives or IUDs to prevent pregnancy after unprotected intercourse. |
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| Emergency Hormonal Contraception |
| The use of oral contraceptives to prevent pregnancy after unprotected intercourse. |
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| Endometrium |
| The lining of the uterus that develops every month in order to nourish a fertilized egg. The lining is shed during menstruation if there is no fertilization. |
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| Epididymis |
| The tube in which sperm mature. It is tightly coiled on top of and behind each testis. The plural of epididymis is epididymides. |
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| Epididymitis |
| An inflammation of the epididymis. |
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| Erectile Dysfunction (ED) |
| The inability to become erect or maintain an erection with a partner. |
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| Erection |
| A "hard" penis when it becomes full of blood and stiffens.
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| Erogenous Zones |
| Any area of the body very sensitive to sensual touch. |
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| Erotic |
| That which is sexually arousing. |
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| Erotica |
| Sexually arousing imagery that is not considered pornographic, obscene, or offensive to the average person. |
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| Erotophilia |
| Appreciation of the erotic. |
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| Erotophobia |
| Fear and anxiety about the erotic. |
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| Estrogen |
| A hormone commonly made in a woman's ovaries. Estrogen's major effects are seen during puberty, menstruation, and pregnancy. |
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| Estrus |
| The period of fertility and sexual arousal in the female animal. |
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| Ethnocentric |
| The belief that one's own country, culture, or ethnic group is superior to others'. |
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| Excitementd |
| The body's physical response to desire and to stimulation. The second stage of the sexual response cycle. |
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| Exhibitionism |
| A paraphilia in which sexual arousal becomes dependent on exposing the sex organs to those who will be surprised |
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| Exhibitionists |
| Women or men who expose their sex organs to other people without their consent, usually in public places. |
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| External Sex and Reproductive Organs |
| The sex organs and structures on the outside of the body that are primarily used during sexual activity. These include the vulva in a woman and the penis and scrotum in a man. |
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| Extramarital Sex |
| Sexual intercourse by a married person with someone other than his or her spouse |
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