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I

All anatomy entries starting with "I"

45 entries

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45 entries · Vessels

Vessel Ileocolic Artery arteria ileocolica Abdomen The ileocolic artery is the most consistent branch of the superior mesenteric artery, arising from its… Vessel Iliolumbar Artery arteria iliolumbalis Pelvis & Hip The iliolumbar artery arises from the posterior division of the internal iliac artery and ascends posterior… Vessel Iliolumbar Artery at Lumbar Level arteria iliolumbalis Lower Back The iliolumbar artery arises from the internal iliac artery and ascends behind the lumbosacral trunk to… Vessel Iliolumbar Vein vena iliolumbalis Lower Back The iliolumbar vein accompanies the iliolumbar artery, draining the iliac fossa, iliacus, and lower lumbar muscles… Vessel Iliolumbar Vein Tributaries venae tributariae venae iliolumbalis Lower Back The iliolumbar vein drains into the common iliac vein and receives tributaries from the iliacus, psoas,… Vessel Inferior Alveolar Artery arteria alveolaris inferior Head & Skull The inferior alveolar artery accompanies the inferior alveolar nerve through the mandibular canal, supplying the lower… Vessel Inferior Epigastric Artery arteria epigastrica inferior Abdomen The inferior epigastric artery is the primary blood supply to the lower rectus abdominis and the… Vessel Inferior Gluteal Artery arteria glutea inferior Pelvis & Hip The inferior gluteal artery exits below the piriformis to supply the inferior gluteus maximus and provides… Vessel Inferior Gluteal Artery Perforators perforantes arteriae gluteae inferioris Pelvis & Hip The inferior gluteal artery exits the greater sciatic foramen below the piriformis and supplies the inferior… Vessel Inferior Hypophyseal Artery arteria hypophysialis inferior Head & Skull The inferior hypophyseal artery arises from the meningohypophyseal trunk (from the ICA cavernous segment) and supplies… Vessel Inferior Labial Artery arteria labialis inferior Head & Skull The inferior labial artery is a branch of the facial artery near the angle of the… Vessel Inferior Labial Vein vena labialis inferior Head & Skull The inferior labial vein drains the lower lip and mental region, running in the submucosa of… Vessel Inferior Lateral Geniculate Artery arteria genus lateralis inferior Knee The inferior lateral geniculate artery arises from the popliteal artery below the knee joint, passing deep… Vessel Inferior Medial Geniculate Artery arteria genus medialis inferior Knee The inferior medial geniculate artery passes deep to the tibial collateral ligament to supply the inferomedial… Vessel Inferior Mesenteric Artery arteria mesenterica inferior Abdomen The inferior mesenteric artery supplies the hindgut from the splenic flexure to the upper rectum, including… Vessel Inferior Mesenteric Artery (Full) arteria mesenterica inferior Abdomen The IMA supplies the hindgut derivatives from the transverse-descending colon junction to the upper rectum. It… Vessel Inferior Mesenteric Vein vena mesenterica inferior Abdomen The inferior mesenteric vein drains the hindgut derivatives, joining the splenic vein behind the pancreatic neck.… Vessel Inferior Ophthalmic Vein vena ophthalmica inferior Head & Skull The inferior ophthalmic vein runs along the floor of the orbit receiving tributaries from the inferior… Vessel Inferior Pancreaticoduodenal Artery arteria pancreaticoduodenalis inferior Abdomen The inferior pancreaticoduodenal artery is the first branch of the superior mesenteric artery, arising just below… Vessel Inferior Petrosal Sinus sinus petrosus inferior Head & Skull The inferior petrosal sinus runs along the inferior border of the petrous temporal bone in the… Vessel Inferior Phrenic Arteries arteriae phrenicae inferiores Abdomen The inferior phrenic arteries are the first paired branches of the abdominal aorta, arising just below… Vessel Inferior Rectal Artery arteria rectalis inferior Pelvis & Hip The inferior rectal artery supplies the external anal sphincter, anal canal, and perianal skin through Alcock's… Vessel Inferior Sagittal Sinus sinus sagittalis inferior Head & Skull The inferior sagittal sinus runs in the inferior free margin of the falx cerebri, draining medial… Vessel Inferior Thyroid Artery arteria thyroidea inferior Neck The inferior thyroid artery provides the primary blood supply to the parathyroid glands and the lower…