| PAR | participating provider; passive avoidance reaction; perennial allergic rhinitis; photosynthetically ... |
|---|---|
| PR | by way of the rectum [Lat. per rectum]; far point [of accommodation] [Lat. punctum remotum]; palindr... |
| rad | radiation absorbed dose; radial; radian; radical; radius; root [Lat. radix] |
| RC | an electronic circuit containing a resistor and capacitor in series; radiocarpal; reaction center; r... |
| RCT | radiotherapy and chemotherapy; randomized clinical trial; randomized controlled trial; registered ca... |
| lateral root of optic tract | The larger division of the posterior end of the optic tract that terminates in the lateral geniculate body. Synonym: radix lateralis tractus optici. (05 Mar 2000) |
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| aberrant ganglion | A collection of nerve cells sometimes found on a posterior spinal nerve root between the spinal ganglion and the spinal cord. (05 Mar 2000) |
| acousticofacial ganglion | A primordial ganglionic cell mass in young embryos which later separates into the acoustic or spiral ganglion of the vestibulocochlear (eighth cranial) nerve and the geniculate ganglion of the facial (seventh cranial) nerve. (05 Mar 2000) |
| Acrel's ganglion | Pseudoganglion on the posterior interosseous nerve on the dorsal aspect of the wrist joint, a cyst on a tendon of an extensor muscle at the level of the wrist. (05 Mar 2000) |
| Andersch's ganglion | <anatomy, nerve> The lower of two sensory ganglion's on the glossopharyngeal nerve as it traverses the jugular foramen. Synonym: ganglion inferius nervi glossopharyngei, Andersch's ganglion, extracranial ganglia, ganglion extracraniale, petrosal ganglion, petrous ganglion. (05 Mar 2000) |
| Arnold's ganglion | An autonomic ganglion situated below the foramen ovale medial to the mandibular nerve; its postganglionic, parasympathetic fibres are distributed to the parotid gland. Synonym: ganglion oticum, Arnold's ganglion, auricular ganglion, otoganglion. (05 Mar 2000) |
| auditory ganglion | An elongated ganglion of bipolar sensory nerve cell bodies on the cochlear part of the vestibulocochlear nerve in the spiral canal of the modiolus; each ganglion cell gives rise to a peripheral process that passes between the layers of the bony spiral lamina to the organ of Corti, and a central axon that enters the hindbrain as a component of the inferior (cochlear) root of the eighth nerve. Synonym: ganglion spirale cochleae, auditory ganglion, cochlear ganglion, Corti's ganglion, spiral cochlear ganglion. (05 Mar 2000) |
| auricular ganglion | An autonomic ganglion situated below the foramen ovale medial to the mandibular nerve; its postganglionic, parasympathetic fibres are distributed to the parotid gland. Synonym: ganglion oticum, Arnold's ganglion, auricular ganglion, otoganglion. (05 Mar 2000) |
| Bezold's ganglion | An aggregation of nerve cells in the interatrial septum. (05 Mar 2000) |
| Bochdalek's ganglion | A ganglion of the plexus of the dental nerve lying in the maxilla just above the root of the canine tooth. (05 Mar 2000) |
| Bock's ganglion | A small ganglionic swelling on filaments from the internal carotid plexus, lying on the undersurface of the carotid artery in the cavernous sinus. Synonym: Bock's ganglion, Laumonier's ganglion. (05 Mar 2000) |
| Bottcher's ganglion | Ganglion on the cochlear nerve in the internal acoustic meatus. (05 Mar 2000) |
| branch to trigeminal ganglion | Ganglionic branch of internal carotid artery. (05 Mar 2000) |
| Valentin's ganglion | A ganglion on the superior alveolar nerve. (05 Mar 2000) |
| ganglion | 1. A knot or knotlike mass. 2. <anatomy> A general term for a group of nerve cell bodies located outside the central nervous system, occasionally applied to certain nuclear groups within the brain or spinal cord, for example basal ganglia. 3. <oncology, tumour> A benign cystic tumour occurring on a aponeurosis or tendon, as in the wrist or dorsum of the foot, it consists of a thin fibrous capsule enclosing a clear mucinous fluid. (18 Nov 1997) |