WordNet

of or characteristic of high rank or importance; "a superior ruler"
one of greater rank or station or quality (同)higher-up, superordinate
the head of a religious community
(often followed by `to'
(sometimes followed by `to'
having an orbit farther from the sun than the Earths orbit; "Mars and Jupiter are the closest in of the superior planets"
of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students"
a town in northwest Wisconsin on Lake Superior across from Duluth
of or involving the rectum; "rectal cancer"

PrepTutorEJDIC

(程度・質が)『普通(平均)以上に優れた』,優秀な / (地位・階級などが)『上位の』,上級の,目上の / (数量的に)勝る,優勢な / (用動が)偉ぶった,高慢な / 《補語にのみ用いて》(…に)屈しない,動じない《+to+名》 / 《名詞の前にのみ用いて》(動・植物の器官や部分が)上位の,上についている / (地位・階級などが)『上位の人』,上役,上司,先輩 / 『いっそう優れた人』 / 《しばしば S-》修道院長
スペリオル湖(lake~;北米五大湖中で最北最大のもの)
直腸(rectum)の

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/02/01 14:12:18」(JST)

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The inferior mesenteric vein begins in the rectum as the superior rectal vein (superior hemorrhoidal vein), which has its origin in the hemorrhoidal plexus, and through this plexus communicates with the middle and inferior hemorrhoidal veins.

The superior rectal vein leaves the lesser pelvis and crosses the left common iliac vessels with the superior rectal artery, and is continued upward as the inferior mesenteric vein.

This article incorporates text from a public domain edition of Gray's Anatomy.

This cardiovascular system article is a stub. You can help Wikipedia by expanding it.

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「上直腸静脈」

Superior rectal vein
	The bloodvessels of the rectum and anus, showing the distribution and anastomosis on the posterior surface near the termination of the gut. (Labeled at top as superior hemorrhoidal vein.)
	The veins of the right half of the male pelvis.
Details
Latin	vena rectalis superior
Drains from	rectum
Source	hemorrhoidal plexus
Drains to	inferior mesenteric vein
Artery	superior rectal artery
Identifiers
Gray's	p.681
Dorlands; /Elsevier	v_05/12851621
TA	A12.3.12.035
FMA	15393
	Anatomical terminology