welpdedelpSuperior rectal comes from the inferior mesenteric vein which comes from the splenic vein --> portal veins
Thus, this dude had cirrhosis so it would "back-up" into the superior rectal vein.
FA 2018: p360+82019-05-24T15:54:56Z
nc1992Superior rectal not superior mesenteric. Took me a minute+2019-06-04T21:47:00Z
hyperfukusugh am i ever gonna get these right EVER+42019-08-10T05:11:59Z
titanesxviwhy not the inferior mesenteric, since the superior rectal drains there+2019-09-04T15:06:02Z
thomasburton@titanesxvi think it is because question says direct which is why superior rectal+12019-09-04T16:06:07Z
lilyothomasburton, so are they asking what vessels do internal hemorrhoids directly drain into? The order is Superior rectal vein--> Inferior mesenteric vein--> portal vein.+2019-09-13T14:25:04Z
thomasburtonYes exactly, so they do eventually reach IMV but not 'directly'+2019-09-18T14:12:46Z
pg32Also worded poorly because the varicosities are connections between the superior rectal and the middle/inferior rectal veins of the systemic circulation. So the blood could be in both the superior rectal vein and the middle/inferior rectal vein as that is what a varicosity is. +2020-01-25T17:32:31Z
dubywowBecause the wording sucks. It's a confusing way to word the question. I too was confused what direct tributaries was referring to and chose Inferior mesenteric because I suck and also because this question sucks.
Really its asking where are the hemorrhoids? They are on/from the superior rectals even though those veins feed to Inferior mesenteric. +12019-10-13T16:38:44Z
drdoomDefining tributary: https://i.imgur.com/2zDxPbW.png Nice images make the term easier to recall. Smaller streams "pay tribute" to larger rivers (by flowing into them).+2020-01-17T07:02:01Z