| PAG | Peri-Aqueductal Gray |
|---|---|
| CGM | central gray matter |
| GM | gastric mucosa; Geiger-Muller [counter]; general medicine; genetic manipulation; geometric mean; gia... |
| GPS | Goodpasture syndrome; gray platelet syndrome; guinea pig serum; guinea pig spleen |
| gr | grade; graft; grain; gram; gravity; gray; gross |
| Gy | 2-gray |
|---|---|
| CG | Central gray |
| CGE | Cobalt Gray Equivalent |
| GM | Gray matter |
| GPS | Gray platelet syndrome |
| gray rami communicantes | Short nerves arising from the lateral aspect of the sympathetic trunk conducting nonmyelinated postsynaptic sympathetic nerve fibres from the sympathetic trunk to the initial portions of all 31 pairs of ventral primary rami of spinal nerves for distribution by all parts (including the dorsal primary ramus) of the spinal nerve. The gray rami are the parietal branches of the sympathetic trunks since all postsynaptic fibres to be distributed to the body wall (including limbs) must pass through them. Synonym: communicating branches of sympathetic trunk, communicating rami of sympathetic trunk. (05 Mar 2000) |
|---|
| gray level also gray value | <microscopy> The brightness of pixels in a digitised video image, commonly expressed in integers ranging from 0 (black) to 255 (white) for an 8-bit digital signal. (05 Aug 1998) |
|---|---|
| rami communicantes ganglii submandibularis cum nervo linguali | <anatomy, nerve> Motor roots of submandibular ganglion; communicating branches between submandibular ganglion and lingual nerve. Synonym: rami communicantes ganglii submandibularis cum nervo linguali, motor roots of submandibular ganglion. (05 Mar 2000) |
| rami communicantes nervi auriculotemporalis cum nervo faciali | <anatomy, nerve> Branches conveying fibres from the auriculotemporal nerve to the facial nerve. Synonym: rami communicantes nervi auriculotemporalis cum nervo faciali. (05 Mar 2000) |
| rami communicantes nervi lingualis cum nervo hypoglosso | <anatomy, nerve> Communicating branches between the lingual nerve (from mandibular nerve) and hypoglossal nerve forming a plexus on the hypoglossus muscle. Synonym: rami communicantes nervi lingualis cum nervo hypoglosso. (05 Mar 2000) |
| rami communicantes nervorum spinalium | Short nerves arising from the initial portion of the ventral primary rami of the thoracic and upper lumbar spinal nerves through which all presynaptic sympathetic nerve fibres must pass to reach the sympathetic trunks; also conveyed by the white rami communicans are visceral afferent (sensory) fibres which were conveyed to the sympathetic trunks in splanchnic nerves. Most fibres conveyed by the white rami communicantes are myelinated. Synonym: rami communicantes nervorum spinalium, communicating branches of spinal nerves. (05 Mar 2000) |
| white rami communicantes | Short nerves arising from the initial portion of the ventral primary rami of the thoracic and upper lumbar spinal nerves through which all presynaptic sympathetic nerve fibres must pass to reach the sympathetic trunks; also conveyed by the white rami communicans are visceral afferent (sensory) fibres which were conveyed to the sympathetic trunks in splanchnic nerves. Most fibres conveyed by the white rami communicantes are myelinated. Synonym: rami communicantes nervorum spinalium, communicating branches of spinal nerves. (05 Mar 2000) |
| ramus nervi oculomotorii arteriae communicantes posterioris | The branch to the oculomotor nerve, a branch of the posterior communicating artery to the oculomotor nerve. (05 Mar 2000) |
| rami laterales rami sinistri venae portae hepatis | Lateral branch of left branch of portal vein. See: lateral branches. (05 Mar 2000) |
| rami mammarii laterales rami cutanei lateralis nervorum intercostalium | An alternate term for lateral mammary branches of lateral cutaneous branches of thoracic spinal nerves. (05 Mar 2000) |
| rami mammarii laterales rami cutanei lateralis nervorum thoracicorum | Branches arising from the lateral cutaneous branches of the ventral primary rami of spinal nerves (intercostal nerves) T-3 to T-6 which run anteriorly to supply the lateral aspect of the breast. Synonym: rami mammarii laterales rami cutanei lateralis nervorum thoracicorum, rami mammarii laterales rami cutanei lateralis nervorum intercostalium, lateral mammary branches of lateral cutaneous branches of intercostal nerves. (05 Mar 2000) |
| rami mammarii mediales rami cutanei anterioris nervorum intercostalium | Medial mammary branches of anterior cutaneous branches of ventral primary rami of thoracic spinal nerves. See: medial mammary branches. (05 Mar 2000) |
| rami mammarii mediales rami cutanei anterioris ramorum ventralium nervorum thoracicorum | Medial mammary branches of anterior cutaneous branches of ventral primary rami of thoracic spinal nerves. See: medial mammary branches. (05 Mar 2000) |
| rami mammarii mediales rami perforantis arteriae thoracicae internae | Medial mammary branches of perforating branches of internal thoracic artery. See: medial mammary branches. (05 Mar 2000) |
| rami mediales rami sinistri venae portae hepatis | Medial branch of left branch of portal vein. See: medial branches. (05 Mar 2000) |
| anterior gray column | The central gray matter of the spinal cord surrounding the central canal. Synonym: substantia intermedia centralis et lateralis, anterior gray column, Stilling's gelatinous substance, substantia gelatinosa centralis. (05 Mar 2000) |
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