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・ Inferior ophthalmic vein
・ Inferior orbital fissure
・ Inferior palpebral nerve
・ Inferior pancreaticoduodenal artery
・ Inferior parietal lobule
・ Inferior petrosal sinus
・ Inferior petrosal sinus sampling
・ Inferior petrosal sulcus
・ Inferior pharyngeal constrictor muscle
・ Inferior phrenic
・ Inferior phrenic arteries
・ Inferior phrenic vein
・ Inferior posterior nasal branches of greater palatine nerve
・ Inferior pubic ramus
・ Inferior ramus
Inferior rectal artery
・ Inferior rectal veins
・ Inferior rectus muscle
・ Inferior root of ansa cervicalis
・ Inferior sagittal sinus
・ Inferior salivatory nucleus
・ Inferior suprarenal artery
・ Inferior temporal gyrus
・ Inferior temporal sulcus
・ Inferior thyroid
・ Inferior thyroid artery
・ Inferior thyroid veins
・ Inferior tibiofibular joint
・ Inferior transverse ligament
・ Inferior transverse ligament of scapula


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Inferior rectal artery : ウィキペディア英語版
Inferior rectal artery

The inferior rectal artery (inferior hemorrhoidal artery) is an artery that supplies blood to the lower half of the anal canal.
==Structure==
The inferior rectal artery arises from the internal pudendal artery as it passes above the ischial tuberosity.
Piercing the wall of the pudendal canal, it divides into two or three branches which cross the ischioanal fossa, and are distributed to the muscles and integument of the anal region, and send offshoots around the lower edge of the gluteus maximus to the skin of the buttock.
They anastomose with the corresponding vessels of the opposite side, with the superior and middle rectal arteries, and with the perineal artery.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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