| arteriae arcuatae renis | Curved arteries at the corticomedullary border, arising from interlobar arteries and giving rise to interlobular arteries. Synonym: arteriae arcuatae renis. (05 Mar 2000) |
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| arteriae atriales | Branches of the right and left coronary arteries distributed to the muscle of the atria. Synonym: arteriae atriales. (05 Mar 2000) |
| arteriae centrales anterolaterales | Numerous small branches from the sphenoidal part of the middle cerebral arteries supplying the lateral and anterior parts of the corpus striatum. Synonym: arteriae centrales anterolaterales, arteriae thalamostriatae anterolaterales, anterolateral central arteries, anterolateral striate arteries, anterolateral thalamostriate arteries, arteries of cerebral haemorrhage, lenticulostriate arteries. (05 Mar 2000) |
| arteriae centrales anteromediales | Several small branches of the precommunical part of the anterior cerebral artery; they are distributed to the anteromedial part of the corpus striatum part of the thalamus. Synonym: arteriae centrales anteromediales, arteriae thalamostriatae anteromediales, anteromedial thalamostriate arteries. (05 Mar 2000) |
| arteriae centrales posterolaterales | The circumflex mesencephalic branches, several small branches of the postcommunical part of the posterior cerebral artery distributed to the lateral posterior part of the midbrain. Synonym: arteriae centrales posterolaterales. (05 Mar 2000) |
| arteriae centrales posteromediales | The interpeduncular perforating branches, several small branches from the precommunical part of the posterior cerebral artery supplying the posterior medial part of the midbrain. Synonym: arteriae centrales posteromediales. (05 Mar 2000) |
| arteriae gastricae breves | Four or five small arteries given off from the splenic, passing via the gastrosplenic ligament to the fundus of the stomach along the greater curvature, and anastomosing with the other arteries in that region. Synonym: arteriae gastricae breves, vasa brevia. (05 Mar 2000) |
| arteriae helicinae penis | The coiled terminal branches of the deep and dorsal arteries of the penis. Parasympathetic stimulation causes them to uncoil, allowing blood at arterial pressure to fill the cavernous tissue causing erection. Synonym: arteriae helicinae penis. (05 Mar 2000) |
| arteriae ileales | Origin, superior mesenteric; distribution, ileum; anastomoses, other branches of superior mesenteric. Synonym: arteriae ileales. (05 Mar 2000) |
| arteriae insulares | Branches from the insular part of the middle cerebral artery distributed to the cortex of the insula. Synonym: arteriae insulares. (05 Mar 2000) |
| arteriae intercostales posteriores I et II | posterior intercostal arteries 1-2 |
| arteriae intercostales posteriores III-XI | posterior intercostal arteries 3-11 |
| arteriae interlobares renis | The branches of the segmental arteries of the kidney; they run between the renal lobes and give rise to the arcuate arteries. Synonym: arteriae interlobares renis. (05 Mar 2000) |
| arteriae interlobulares | Arteries that pass between lobules of an organ. See: interlobular arteries of liver, interlobular arteries of kidney. Synonym: arteriae interlobulares. (05 Mar 2000) |
| arteriae intestinales | See: ileal arteries, jejunal arteries. (05 Mar 2000) |