陰道縮肌 的英文怎麼說
中文拼音 [yīndàosuōjī]
陰道縮肌
英文
musculus constrictor vaginae- 陰 : Ⅰ名詞1 （中國古代哲學認為宇宙中通貫物質和人事的兩大對立面之一） （in chinese philosophy medicine ...
- 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
- 縮 : 縮構詞成分。
- 肌 : 名詞1. （肌肉） muscle; flesh 2. [書面語] （皮膚） skin
- 陰道 : vagina; shaded road; vagino ; vagin ; vagini ; kolpo ; kysth ; kolp coleo ; cole ; colp ; colpo ...
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While urinate the detrusor has the bladder contracted, inter and outer sphincters relax, the urine is released from the bladder, while ejaculate the amyofibre of prostate is contracted as well as the urethra inner sphincter is contracted to close the bladder neck and the outer sphincter opened, the semen is ejaculated outside. if the regulation is out of control, the inner sphincter wouldn t colse the bladder neck, instead the outer sphinecter is opened to close the door for the semen ejection, as result the semen only flows backward into the bladder, this is called " reversed ejaculation ". because the semen could not be ejaculated into vagina, the fecundation and bearing doesn t occur
當排尿時，逼尿肌收縮膀胱，內外括約肌放鬆，尿被排出體外射精時，前列腺肌纖維收縮的同時，尿道括約肌也收縮，關閉膀胱頸部，而外括約肌開放，精液便射出體外如果調節失控，內括約肌未關閉膀胱開口，而外括約肌反而收縮，關閉了遠端的門戶，結果精液只能倒流入膀胱，這就叫「逆行射精」 ，精液未能射入陰道，也就不能受精生育。
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