| arteria hepatica communis | <anatomy, artery> Origin, coeliac; branches, right gastric, gastroduodenal, and proper hepatic. Synonym: arteria hepatica communis. (05 Mar 2000) |
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| arteria hepatica propria | <anatomy, artery> Origin, common hepatic; branches, right and left hepatic. Synonym: arteria hepatica propria. (05 Mar 2000) |
| arteria hyaloidea | <anatomy, artery> The terminal branch of the primitive ophthalmic artery, which forms in the embryo an extensive ramification in the primary vitreous and a vascular tunic around the lens; by 81/2 months, these vessels have atrophied almost completely, but a few persistent remnants are evident entoptically as muscae volitantes. Synonym: arteria hyaloidea. (05 Mar 2000) |
| arteria hypogastrica | <anatomy, artery> Origin, common iliac; branches, iliolumbar, lateral sacral, obturator, superior gluteal, inferior gluteal, umbilical, superior vesical, inferior vesical, middle rectal, and internal pudendal. Synonym: arteria iliaca interna, arteria hypogastrica, hypogastric artery. (05 Mar 2000) |
| arteria hypophysialis inferior | <anatomy, artery> A small branch of the cavernous part of the internal carotid to the hypophysis. Synonym: arteria hypophysialis inferior. (05 Mar 2000) |
| arteria ileocolica | <anatomy, artery> Origin, superior mesenteric, often by a common trunk with the right colic; distribution, terminal part of ileum, caecum, vermiform appendix, and ascending colon; anastomoses, right colic and ileal. Synonym: arteria ileocolica. (05 Mar 2000) |
| arteria iliaca communis | <anatomy, artery> One of the two terminal branches of the abdominal aorta; opposite the lumbosacral joint, it bifurcates to form the internal iliac and the external iliac. Synonym: arteria iliaca communis. (05 Mar 2000) |
| arteria iliaca externa | <anatomy, artery> Origin, common iliac; branches, inferior epigastric, deep circumflex iliac; becomes the femoral at the inguinal ligament. Synonym: arteria iliaca externa. (05 Mar 2000) |
| arteria iliaca interna | <anatomy, artery> Origin, common iliac; branches, iliolumbar, lateral sacral, obturator, superior gluteal, inferior gluteal, umbilical, superior vesical, inferior vesical, middle rectal, and internal pudendal. Synonym: arteria iliaca interna, arteria hypogastrica, hypogastric artery. (05 Mar 2000) |
| arteria iliolumbalis | <anatomy, artery> Origin, internal iliac; distribution, pelvic muscles and bones; anastomoses, deep circumflex iliac, lumbar. Synonym: arteria iliolumbalis. (05 Mar 2000) |
| arteria infraorbitalis | <anatomy, artery> Origin, third part of maxillary; distribution, upper canine and incisor teeth, inferior rectus and inferior oblique muscles, lower eyelid, lacrimal sac, maxillary sinus, and upper lip; anastomoses, branches of ophthalmic, facial, superior labial, transverse facial, and buccal. Synonym: arteria infraorbitalis. (05 Mar 2000) |
| arteria intercostalis suprema | <anatomy, artery> Origin, costocervical trunk; distribution, structures of first and second intercostal spaces via its terminal branches, posterior intercostal arteries 1 and 2; anastomoses, anterior intercostal branches of internal thoracic. Synonym: arteria intercostalis suprema, highest intercostal artery, supreme intercostal artery. (05 Mar 2000) |
| arteria interlobulares | The branches of the interlobar arteries of the kidney passing outward through the cortex and supplying the glomeruli. Synonym: arteria interlobulares (renis). (05 Mar 2000) |
| arteria interlobulares (hepatis) | The many terminal branches of the hepatic artery passing between hepatic lobules. Synonym: arteria interlobulares (hepatis). (05 Mar 2000) |
| arteria intermesenterica | <anatomy, artery> Branch of the left colic artery (from inferior mesenteric artery) that passes anteriorly to the left kidney into the transverse mesocolon, where it anastomoses with the middle colic artery. It thus forms an anastomosis between superior and inferior mesenteric arteries, and is a component of the marginal artery (Drummond) of the colon. Synonym: arteria ascendens, arteria intermesenterica. (05 Mar 2000) |