| arteria rectalis superior | <anatomy, artery> Origin, inferior mesenteric; distribution, upper part of rectum; anastomoses, middle and inferior rectal. As a tributary of the portal vein, its anastomosis with these arteries forms a portosystemic or portocaval anastomosis. Synonym: arteria rectalis superior, superior haemorrhoidal artery. (05 Mar 2000) |
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| vena rectalis superior | <anatomy, vein> It drains the greater part of the rectal venous plexus, and ascends between the layers of the mesorectum to the brim of the pelvis, where it becomes the inferior mesenteric vein. As a tributary of the portal vein, it forms a portocaval anastomosis with the middle and inferior rectal veins (caval tributaries) via the rectal venous plexus. Synonym: vena rectalis superior. (05 Mar 2000) |
| plexus rectalis superior | The autonomic plexus derived as a continuation of the inferior mesenteric plexus that accompanies the superior rectal artery. Synonym: plexus rectalis superior, superior haemorrhoidal plexus. (05 Mar 2000) |
| plexus venosus rectalis | A venous plexus resting upon the posterior and lateral walls of the rectum; it drains into the superior rectal vein to the portal, the middle rectal to the internal iliac and the inferior rectal to the internal pudendal. Synonym: plexus venosus rectalis, haemorrhoidal plexus. (05 Mar 2000) |
| nodus rectalis medius | A lymph node along the middle rectal artery that receives afferents from the pararectal nodes and sends efferents to the internal iliac nodes. Synonym: middle rectal node, nodus rectalis medius. (05 Mar 2000) |
| arteriae caroticotympanicae arteriae carotidis internae | Small branches from the petrous part of the internal carotid artery supplying the tympanic cavity; anastomose with the anterior tympanic and maxillary arteries. Synonym: arteriae caroticotympanicae arteriae carotidis internae, rami caroticotympanici. (05 Mar 2000) |
| ramus sinus cavernosi arteriae carotidis arteriae | <anatomy, artery> A number of small branches of the cavernous part of the internal carotid artery. See: ganglionic branch of internal carotid artery, basal tentorial branch of internal carotid artery, marginal tentorial branch of internal carotid artery. Synonym: ramus sinus cavernosi arteriae carotidis arteriae, cavernous arteries. (05 Mar 2000) |
| rami articulares arteriae descendentis genicularis | See: articular branches. (05 Mar 2000) |
| rami auriculares anteriores arteriae temporalis superficialis | <anatomy, artery> Distribution, auricle, earlobe and external acoustic meatus. Synonym: rami auriculares anteriores arteriae temporalis superficialis. (05 Mar 2000) |
| rami capsulares arteriae renalis | <anatomy, artery> Branches arising from the renal artery outside of the kidney that are distributed to the renal capsule. Synonym: rami capsulares arteriae renalis. (05 Mar 2000) |
| rami dentales arteriae alveolaris inferioris | Dental branches of inferior alveolar artery. See: dental branches. (05 Mar 2000) |
| rami dentales arteriae alveolaris superioris posterioris | Dental branch of the posterior superior alveolar artery. See: dental branches. (05 Mar 2000) |
| rami dorsales arteriae intercostalis supremae | <anatomy, artery> Branches of the 1st and 2nd posterior intercostal arteries which arise as branches of the supreme intercostal artery. The distribution is the same as for the dorsal branches of the other posterior intercostal arteries at the T1-T2 vertebral level. Synonym: rami dorsales arteriae intercostalis supremae. (05 Mar 2000) |
| rami dorsales arteriae subcostalis | <anatomy, artery> Terminal branch (with ventral branch) of subcostal artery, distributed to posterior vertebral column, spinal cord and environs, and back at the T12-L1 vertebral level. Synonym: rami dorsales arteriae subcostalis. (05 Mar 2000) |
| rami dorsales linguae arteriae lingualis | <anatomy, artery> Branches of the lingual artery to the posterior third or root of tongue. Synonym: rami dorsales linguae arteriae lingualis. (05 Mar 2000) |