| RPA | radial photon apsorptiometry; replication protein A; resultant physiologic acceleration; reverse pas... |
|---|---|
| RAI | radioactive iodine; radioactive isotope; resident assessment instrument; resting ankle index; right ... |
| RAR | rapidly adapting receptor; rat insulin receptor; retinoic acid receptor; right arm reclining; right ... |
| RB | radiation burn; rating board; rebreathing; reticulate body; retinoblastoma; right bronchus; right bu... |
| RE | radium emanation; readmission; rectal examination; reference emitter; reflux esophagitis; regional e... |
| recurrent artery | <anatomy, artery> An artery which, upon or soon after originating, reflects or turns sharply to course in the general opposite direction to that of its parent artery. Synonym: medial striate artery. (05 Mar 2000) |
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| recurrent artery of Heubner | <anatomy, artery> Arises at or just distal to the anterior communicating artery; distribution: anterior caudate and putamen and anterior limb of internal capsule. Synonym: arteria centralis longa, arteria recurrens, artery of Heubner, long central artery, recurrent artery of Heubner, recurrent artery. (05 Mar 2000) |
| recurrent interosseous artery | <anatomy, artery> Origin, posterior interosseous; distribution, elbow joint; anastomoses, branches of profunda brachii and inferior ulnar collateral, i.e., articular vascular network of elbow. Synonym: arteria interossea recurrens. (05 Mar 2000) |
| recurrent radial artery | <anatomy, artery> Origin, radial; distribution, ascends around lateral side of elbow joint; anastomoses, radial collateral, interosseous recurrent. Synonym: arteria recurrens radialis, recurrent radial artery. (05 Mar 2000) |
| recurrent ulnar artery | <anatomy, artery> Origin, ulnar artery; distribution, two branches, anterior and posterior, pass medially in front of and behind the elbow joint; anastomoses, superior and inferior ulnar collateral, i.e., with articular vascular network of elbow. Synonym: arteria recurrens ulnaris. (05 Mar 2000) |
| mastoid artery | <anatomy, artery> Mastoid branch of occipital artery, passing through the mastoid foramen; distribution, mastoid air cells; anastomosis, middle meningeal artery. Synonym: arteriae occipitalis, ramus mastoideus arteriae occipitalis, mastoid branch of occipital artery. (05 Mar 2000) |
| mastoid branches of posterior auricular artery | <anatomy, artery> Branches from stylomastoid branch of posterior auricular artery arising within the facial canal, distributed to the mastoid air cells. Synonym: rami mastoidei arteriae auricularis posterioris. (05 Mar 2000) |
| mastoid branch of occipital artery | <anatomy, artery> Mastoid branch of occipital artery, passing through the mastoid foramen; distribution, mastoid air cells; anastomosis, middle meningeal artery. Synonym: arteriae occipitalis, ramus mastoideus arteriae occipitalis, mastoid branch of occipital artery. (05 Mar 2000) |
| vestibular branches of labyrinthine artery | <anatomy, artery> Branches of labyrinthine artery passing to the vestibule of the bony labyrinth to supply the membranous labyrinth. (05 Mar 2000) |
| maxillary artery | <anatomy, artery> A branch of the external carotid artery which distributes to the deep structures of the face (internal maxillary) and to the side of the face and nose (external maxillary). (12 Dec 1998) |
| vidian artery | <radiology> Arises from petrous portion of ICA, passes through foramen lacerum, ends in oropharynx or continues as, artery of pterygoid canal, anastamoses with branches of: ascending pharyngeal a., accessory meningeal a., descending and ascending palatine aa. (12 Dec 1998) |
| caudal pancreatic artery | Origin, splenic artery near the left gastroepiploic; distribution, the tail of the pancreas; anastomoses, with other pancreatic arteries. Synonym: arteria caudae pancreatis, caudal pancreatic artery. (05 Mar 2000) |
| glandular branches of facial artery | <anatomy, artery> Branches of facial artery to the submandibular gland. Synonym: rami glandulares arteriae facialis. (05 Mar 2000) |
| glandular branches of inferior thyroid artery | <anatomy, artery> Branches of inferior thyroid artery to thyroid and parathyroid glands, anastomosing with branches of superior thyroid artery. Synonym: rami glandulares arteriae thyroideae inferioris. (05 Mar 2000) |
| glaserian artery | <anatomy, artery> Origin, maxillary; distribution, middle ear; anastomoses, tympanic branches of internal carotid and ascending pharyngeal and stylomastoid. Synonym: arteria tympanica anterior, glaserian artery. (05 Mar 2000) |