micturition

Japanese: micturition
micturition

…In this way, the kidneys finally produce urine with a different composition from plasma. Kidneys [Takeshi Hoshi] [Masayoshi Hinata]
[micturition,urination]
Urine transported from the kidneys through the ureters to the bladder is temporarily stored there and then discharged from the body through the urethra (urination). Normally, the internal sphincter (vesical sphincter) and external sphincter (urethral sphincter) at the beginning of the urethra are contracted to prevent urine from leaking, and the external sphincter can also be controlled voluntarily. Urination is first triggered by the micturition reflex.

*Some terminology explanations that mention "micturition" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…このようにして腎臓では,最終的に血漿とは異なった組成をもつ尿がつくられる。腎臓【星 猛】【日向 正義】
[排尿micturition,urination]
 腎臓から尿管を経て膀胱へ運搬された尿は,一時そこにたまり,やがて尿道から体外へ排出(排尿)されるが,ふだんは尿道の始まりの部分にある内括約筋(膀胱括約筋)と外括約筋(尿道括約筋)が収縮していて尿が漏れないようになっており,外括約筋は随意的にもコントロールすることができる。排尿はまず排尿反射によってひき起こされる。…

※「micturition」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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