| 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 ... |
| RBA | relative binding affinity; rescue breathing apparatus; right basilar artery; right brachial artery; ... |
| RCA | red cell agglutination; relative chemotactic activity; renal cell carcinoma; right carotid artery; r... |
| RCC | radiological control center; rape crisis center; ratio of cost to charges; receptor-chemoeffector co... |
| pharyngeal branch of pterygopalatine ganglion | Branch of pterygopalatine ganglion passing posteriorly through pharyngeal canal to supply postsynaptic parasympathetic fibres to mucus glands of nasopharynx. Synonym: ramus pharyngeus ganglii pterygopalatini, Bock's nerve. (05 Mar 2000) |
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| pharyngeal branch of the artery of pterygoid canal | Distributed to uppermost nasopharynx (pharyngeal recesses). Synonym: ramus pharyngeus arteriae canalis pterygoidei. (05 Mar 2000) |
| pharyngeal branch of the ascending pharyngeal artery | <anatomy, artery> Distribution: walls of oro-and nasopharynx. Synonym: rami pharyngeales arteriae pharyngeae ascendentis. (05 Mar 2000) |
| pharyngeal branch of vagus nerve | <anatomy, nerve> Conveys motor fibres from the cranial root of the accessory nerve to the pharyngeal constrictor muscles, the intrinsic muscles of the soft palate and the levator palati muscle; may also bring some general sensory fibres to the pharyngeal plexus. Synonym: rami pharyngei nervi vagi. (05 Mar 2000) |
| middle lobe branch | Middle lobe branch of 1) the right pulmonary artery (arteriae pulmonalis dextrae ); 2) the right superior pulmonary vein (venae pulmonalis dextrae superior ). Synonym: ramus lobi medii. (05 Mar 2000) |
| middle meningeal branch of maxillary nerve | <anatomy, nerve> Recurrent branch of maxillary nerve distributed with the anterior branch of the middle meningeal arteyr to the meninges of the anterior portion of the middle cranial fossa. Synonym: ramus meningeus medius nervi maxillaris, middle meningeal nerve. (05 Mar 2000) |
| circumflex branch of left coronary artery | <anatomy, artery> Terminal branch (with anterior interventricular artery) of left coronary artery which runs to left and then posteriorly in the coronary groove supplying atrial and ventricular branches. Synonym: ramus circumflexus arteriae coronariae sinistrae. (05 Mar 2000) |
| middle superior alveolar branch of infraorbital nerve | <anatomy, nerve> The middle superior alveolar branch, a branch of the superior alveolar nerve that contributes to the superior dental plexus. Synonym: ramus alveolaris superior medius nervi infraorbitalis. (05 Mar 2000) |
| clavicular branch of thoracoacromial artery | <anatomy, artery> Distribution, subclavius muscle and sternoclavicular joint. Synonym: ramus clavicularis arteriae thoracoacromialis. (05 Mar 2000) |
| phrenicoabdominal branch of phrenic nerve | <anatomy, nerve> Terminal branches of phrenic nerve providing motor innervation of diaphragm and sensory innervation to the diaphragm and the diaphragmatic pleura and peritoneum. Synonym: rami phrenicoabdominales nervi phrenici. (05 Mar 2000) |
| cochlear branch of labyrinthine artery | <anatomy, artery> Terminal branch (with vestibular branch) of labyrinthine artery; it divides into multiple fine branches which penetrate canals of modiolus to supply the plexus of the spiral lamina and basilar membrane. Synonym: ramus cochlearis arteriae labyrinthi. (05 Mar 2000) |
| communicating branch | A bundle of nerve fibres passing from one named nerve to join another. The term "communicating branch" is used in the nervous system to replace the inadequate "anastomosing branch" used for vascular systems. Synonym: ramus communicans. (05 Mar 2000) |
| communicating branch of chorda tympani to lingual nerve | <anatomy, nerve> Terminal branch of chorda tympani joining the lingual nerve in the infratemporal fossa; conveys sensory fibres for taste from anterior two-thirds of tongue and presynaptic parasympathetic fibres destined for submandibular ganglion for innervation of submandibular and sublingual salivary glands. Synonym: ramus communicans cum chorda tympani. (05 Mar 2000) |
| communicating branch of facial nerve with glossopharyngeal nerve | <anatomy, nerve> A small branch from the digastric branch of the facial nerve to the glossopharyngeal nerve. Synonym: ramus communicans cum nervo glossopharyngeo, Haller's ansa. (05 Mar 2000) |
| communicating branch of facial nerve with tympanic plexus | A fine branch of facial nerve joining the tympanic branch of the glossopharyngeal nerve. Synonym: ramus communicans nervi facialis cum plexu tympanico. (05 Mar 2000) |