Coitus

Coitus
Sexual union of a male and a female; also called sexual intercourse. Coitus begins when the male inserts his erect penis into the female vagina, a canal leading to the uterus (womb) and fallopian tubes along the sides of the womb. The male then begins thrusting. This stimulation creates intense pleasure for both partners and usually builds to a peak of excitement called orgasm (climax). During orgasm, the walls of the vagina pulsate and the male ejaculates semen containing approximately 250 million spermatazoa (sperm) into the female. The partners may experience orgasm separately or simultaneously, and sometimes a partner does not achieve orgasm at all. If the female has ovulated — that is, she has released an egg for fertilization — the ejaculated sperm will seek to fertilize it. Only a small number of spermatazoa will actually reach the site of the egg, one of the two fallopian tubes between the ovaries and the womb. The fallopian tubes deliver the egg to the womb over a three-to-five day period. If a sperm cell fertilizes the egg as it moves through a fallopian tube, a new cell (zygote) develops to begin the formation of embryonic life in the womb. A related term, "coitus interruptus," refers to withdrawal of the penis from the vagina before ejaculation occurs. "Coitus" is derived from the Latin word "coire" (to come together).
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Sexual union between male and female. SYN: coition, copulation (1), pareunia, sexual intercourse. [L.]
- c. interruptus sexual intercourse that is interrupted before the male ejaculates.
- c. reservatus c. in which ejaculation is postponed or suppressed.

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co·itus 'kō-ət-əs, kō-'ēt- n physical union of male and female genitalia accompanied by rhythmic movements: sexual intercourse (1) compare ORGASM
co·ital -ət-əl, -'ēt- adj
co·ital·ly -əl-ē adv

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n.
sexual contact between a man and a woman during which the erect penis enters the vagina and is moved within it by pelvic thrusts until ejaculation occurs. See also orgasm.
• coital adj.

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co·i·tus (koґĭ-təs) [L. coitio a coming together, meeting] sexual connection per vaginam between male and female. coital adj

Medical dictionary. 2011.

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  • COITUS — (латинск.), совокулление, соитие, половое сношение, половой акт. Наблюдения над процессом С. у млекопитающих обнаруживают у отдельных видов их значительные различия в напряжении полового члена, способе введения его во влагалище, положении при С,… …   Большая медицинская энциклопедия

  • coitus — copulation, 1713, scientific Latin, from L. coitus a meeting together; sexual union, pp. of coire, from com together (see CO (Cf. co )) + ire come, go, from PIE root *ei to go. In Middle English as coite (early 15c.). Used in English in general… …   Etymology dictionary

  • Coĭtus — (lat.), 1) Zusammenkunft, Vereinigung; 2) Art der Begattung …   Pierer's Universal-Lexikon

  • Coïtus — (lat.), Beischlaf; C. anticipatus, Beischlaf vor der Ehe; C. damnatus, illicitus, Blutschande …   Meyers Großes Konversations-Lexikon

  • Coitus — Coĭtus (lat.), Beischlaf …   Kleines Konversations-Lexikon

  • Coïtus — Coïtus, Zusammenkunft; Begattung …   Herders Conversations-Lexikon

  • Coitus — Coitus→Koitus …   Das Wörterbuch der Synonyme

  • Coitus — vgl. Koitus …   Das Wörterbuch medizinischer Fachausdrücke

  • coitus — ► NOUN technical ▪ sexual intercourse. DERIVATIVES coital adjective. ORIGIN Latin, from coire go together …   English terms dictionary

  • coitus — [kō′it əs; ] also [ kō ēt′əs] n. [L: see COITION] sexual intercourse coital adj …   English World dictionary

  • Coitus — Co|i|tus [ ko:itus] der; , [...tu:s] <aus gleichbed. lat. coitus, vgl. ↑Koitus> in fachspr. Fügungen: Coitus a Tergo: Form des ↑Koitus, bei der die Frau dem Mann den Rücken zuwendet; Geschlechtsverkehr »von hinten«; Coitus condomatus:… …   Das große Fremdwörterbuch

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