Inferior rectal veins

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Vein: Inferior rectal veins

Scheme of the anastomosis of the veins of the rectum
Latin	venae rectales inferiores
Gray's	subject #173 676
Drains from	rectum
Drains to	internal pudendal vein
Artery	inferior rectal artery
Dorlands / Elsevier	v_05/12851608

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

The lower part of the external hemorrhoidal plexus is drained by the inferior rectal veins (or inferior hemorrhoidal veins) into the internal pudendal vein.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Veins of the torso
Coronary	coronary sinus (great cardiac, left marginal, small cardiac, middle cardiac, posterior of the left ventricle, oblique of the left atrium) • anterior cardiac (right marginal) • pulmonary
Thorax/ SVC	brachiocephalic: internal thoracic (anterior intercostal, superior epigastric) - left superior intercostal - supreme - vertebral - subclavian (axillary: lateral thoracic, thoracoepigastric, dorsal scapular) - pericardiacophrenic azygos: right superior intercostal - bronchial - intercostal/posterior intercostal 5-11 - accessory hemiazygos/hemiazygos - superior phrenic
Vertebral column	vertebral venous plexuses (external, internal) • spinal (posterior, anterior) • basivertebral • intervertebral
Abdomen/ IVC	to IVC (some to renal vein on left): inferior phrenic - hepatic - suprarenal - renal - gonadal (ovarian ♀/testicular ♂, pampiniform plexus ♂) - lumbar - common iliac to azygos system: ascending lumbar (subcostal)
Pelvis/common iliac	median sacral vein external iliac: inferior epigastric - deep circumflex iliac vein internal iliac - posterior: iliolumbar - superior gluteal - lateral sacral internal iliac - anterior: inferior gluteal - obturator - uterine ♀ (uterine plexus ♀) - vesical (vesical plexus, prostatic plexus ♂, deep of penis ♂/clitoris ♀, posterior scrotal ♂/labial ♀) - vaginal plexus/vein ♀ - middle rectal - internal pudendal (inferior rectal, bulb of penis ♂/vestibule ♀) - rectal plexus
Portal system/ portal vein	splenic: short gastric - left gastroepiploic - pancreatic - inferior mesenteric (superior rectal, left colic) superior mesenteric: right gastroepiploic - pancreaticoduodenal - jejunal - ileal - middle colic - right colic - ileocolic (appendicular) direct (cystic, left gastric/esophageal, right gastric, paraumbilical)
fetal	ductus venosus • umbilical