Kafin fitarwa
 Kafin fitarwa | |
|---|---|
body fluid (en)  | |
 | |
| Bayanai | |
| Amfani |
lubrication (en) |
| Produced by (en) |
bulbourethral gland (en) da urethral gland (en) |
Pre-ejaculate (wanda aka fi sani da ruwa na pre-ejacular, ruwa na pre'seminal ko ruwa na Cowper, kuma a cikin magana a matsayin pre-cum) ruwa ne mai haske, mara launi, mai tsami wanda aka fitar daga urethra na azzakari yayin tashin hankali na jima'i kuma gabaɗaya yayin aikin jima'i. Yana da kama da abun da ke ciki ga maniyyi amma yana da bambance-bambance na sunadarai. Kasancewar maniyyi a cikin ruwa ya bambanta daga ƙasa zuwa babu. Pre-ejaculate yana aiki azaman mai shafawa na halitta da kuma mai kawar da acid.
Asalin da abun da ke ciki
[gyara sashe | gyara masomin]Ruwan yana fitowa daga mafitsara ta azzakari yayin sha'awa, al'aura, wasan gaba ko kuma a matakin farko yayin jima'i, wani lokaci kafin mutum ya isa inzali gaba ɗaya kuma maniyyi ya fito. Galibi ana samar da shi ne ta hanyar glandon bulbourethral (glandin Cowper), tare da glandon Littré (glandin urethral mai fitar da majina) suma suna ba da gudummawa.[1][2] Adadin ruwan da ake fitarwa ya bambanta sosai tsakanin mutane. Wasu mutane ba sa samar da wani ruwa kafin fitar da maniyyi,[3] yayin da wasu ke fitar da har zuwa millilita 5 (0.18 impfl oz; 0.17 US fl oz).[1][4]
Ruwan pre-ejaculate ya ƙunshi sunadarai da ke da alaƙa da maniyyi, kamar acid phosphatase, amma wasu alamun maniyyi، kamar gamma-glutamyltransferase, ba su nan.[1]
Ayyuka da haɗari
[gyara sashe | gyara masomin]Pre-ejaculate yana kawar da acidity a cikin urethra wanda ya haifar da fitsari, yana haifar da yanayi mafi kyau don wucewar maniyyi.[2] Jinin yana da acidic, don haka ajiyar pre-ejaculate kafin fitar da maniyyi na iya canza yanayin maniyyi don inganta rayuwar maniyyi.[3] Pre-ejaculate kuma yana aiki azaman mai a lokacin jima'i, kuma yana taka rawa a cikin kwayar halitta.[3][3]
Ƙananan matakan ko babu maniyyi a cikin pre-ejaculate, kodayake binciken ya bincika ƙananan samfurori na maza.[1][2] Bincike guda biyu sun sami shaidu masu rikitarwa, gami da shari'o'in mutum na babban maida hankali ga maniyyi.[3][4] Akwai shaidu - tun daga binciken Masters da Johnson na 1966 [1] - cewa pre-ejaculate na iya ƙunsar maniyyi wanda zai iya haifar da ciki, wanda shine tushen jayayya game da amfani da coitus interruptus (cirewa) a matsayin hanyar hana haihuwa. [2][5]
Bincike ya nuna kasancewar kwayar cutar kanjamau a cikin mafi yawan samfurori na pre-ejaculate daga maza masu kamuwa da cutar. [4] [5][6]
Yawan samarwa
[gyara sashe | gyara masomin]A lokuta masu wuya, mutum na iya samar da ruwa mai yawa kafin zubar da jini, wanda za'a iya magance shi ta hanyar mai hana 5-alpha-reductase, kamar finasteride.[3]
Manazarta
[gyara sashe | gyara masomin]- ↑ Gohara WF (1 February 1980). "Rate of decrease of glutamyltransferase and acid phosphatase activities in the human vagina after coitus". Clinical Chemistry. 26 (2): 254–7. doi:10.1093/clinchem/26.2.254. PMID 6101549.
- ↑ Chughtai B, Sawas A, O'Malley RL, Naik RR, Ali Khan S, Pentyala S (April 2005). "A neglected gland: a review of Cowper's gland". Int. J. Androl. 28 (2): 74–7. doi:10.1111/j.1365-2605.2005.00499.x. PMID 15811067. S2CID 32553227.
- 1 2 3 4 Chudnovsky, A.; Niederberger, C.S. (2007). "Copious Pre-Ejaculation: Small Glands—Major Headaches". Journal of Andrology. 28 (3): 374–5. doi:10.2164/jandrol.107.002576. PMID 17251594.
- ↑ "Researchers find no sperm in pre-ejaculate fluid". Contraceptive Technology Update. 14 (10): 154–156. October 1993. PMID 12286905.
- ↑ Pudney J, Oneta M, Mayer K, Seage G, Anderson D (1992). "Pre-ejaculatory fluid as potential vector for sexual transmission of HIV-1". Lancet. 340 (8833): 1470. doi:10.1016/0140-6736(92)92659-4. PMID 1360584. S2CID 7106584.
- ↑ Ilaria G, Jacobs JL, Polsky B, et al. (1992). "Detection of HIV-1 DNA sequences in pre-ejaculatory fluid". Lancet. 340 (8833): 1469. doi:10.1016/0140-6736(92)92658-3. PMID 1360583. S2CID 43112865.