| RMCA | right middle cerebral artery |
|---|---|
| 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... |
| anterior tympanic 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) |
|---|---|
| apicoposterior artery | <anatomy, artery> A pulmonary artery branch to the apicoposterior segment of the upper lobe. (05 Mar 2000) |
| appendicular artery | <anatomy, artery> The branch of the ileocolic artery that descends posterior to the terminal ileum in the mesoappendix to supply the vermiform appendix. Synonym: arteria appendicularis. (05 Mar 2000) |
| arcuate artery | <anatomy, artery> Origin, dorsalis pedis; branches, passes laterally dorsal to the bases of the metatarsals, giving rise to the 2nd, 3rd, and 4th dorsal metatarsal arteries at the level of the medial cuneiform bone. Synonym: arteria arcuata. (05 Mar 2000) |
| artery | <anatomy, artery> Blood vessel carrying blood away from the heart, walls have smooth muscle and are innervated by the sympathetic nervous system. (18 Nov 1997) |
| artery, brachial | The artery that runs from the shoulder down to the elbow. (12 Dec 1998) |
| artery, carotid | A key artery located in the front of the neck that carries blood from the heart to the brain. (12 Dec 1998) |
| artery needle | A blunt-pointed, curved needle, set in a handle, with the eye at the point, used for passing a ligature around an artery. (05 Mar 2000) |
| artery of adamkiewicz | <radiology> Arteria radicularis magna, arises from aorta, from intercostal or lumbar aa., between T8 and L4, left side (80%), supplies lower 2/3 of spinal cord, typical hairpin course (12 Dec 1998) |
| artery of angular gyrus | The last branch of the terminal part of the middle cerebral artery distributed to parts of the temporal parietal and occipital lobes. Synonym: arteria gyri angularis, angular artery. (05 Mar 2000) |
| artery of anterior inferior segment of kidney | Origin, anterior branch of renal. See: segmental arteries of kidney. Synonym: arteria segmenti anterioris inferioris renis, artery of anterior {inferior segment of kidney}. (05 Mar 2000) |
| artery of anterior superior segment of kidney | Origin, anterior branch of renal. See: segmental arteries of kidney. Synonym: arteria segmenti anterioris superioris renis, artery of anterior {superior segment of kidney}. (05 Mar 2000) |
| artery of bernasconi and cassinari | <radiology> Tentorial artery, first branch of meningohypophyseal trunk (branch from juxtasellar ICA), can indicate pathology such as: meningioma, fistula, AVM (12 Dec 1998) |
| artery of bulb of penis | A branch of the internal pudendal artery which supplies the bulb of the penis including the bulbar urethra. Synonym: arteria bulbi penis, arteria bulbi urethrae. (05 Mar 2000) |
| artery of bulb of vestibule | The branch of the internal pudendal artery in the female that supplies the bulb of the vestibule. Synonym: arteria bulbi vestibuli, arteria bulbi vaginae. (05 Mar 2000) |