| GP | gangliocytic paraganglioma; gastroplasty; general paralysis, general paresis; general practice, gene... |
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| nonchromaffin paraganglioma | Aortic body, carotid body, chemoreceptor, or glomus jugulare tumour; nonchromaffin paraganglioma; receptoma; a relatively rare, usually benign neoplasm originating in the chemoreceptor tissue of the carotid body, glomus jugulare, and aortic bodies; consisting histologically of rounded or ovoid hyperchromatic cells that tend to be grouped in an alveolus-like pattern within a scant to moderate amount of fibrous stroma and a few large thin-walled vascular channels. Compare: paraganglioma. Synonym: aortic body tumour, carotid body tumour, chemoreceptor tumour, glomus jugulare tumour, nonchromaffin paraganglioma. Origin: chemo-+ G. Dektes, receiver, fr. Dechomai, to receive, + -oma, tumour (05 Mar 2000) |
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| paraganglia, nonchromaffin | Several clusters of chemoreceptive and supporting cells associated with blood vessels and nerves (especially the glossopharyngeal and vagus). The nonchromaffin paraganglia sense pH, carbon dioxide, and oxygen concentrations in the blood and participate in respiratory, and perhaps circulatory, control. They include the carotid and aortic bodies, the glomus jugulare, and the glomus tympanicum. (12 Dec 1998) |
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| paraganglioma | <radiology> (glomus tumour) chemodectoma, arise from extra-adrenal portions of paraganglion system, females more than males, 5% most likely to be multiple, associated with branchial arch mesodermal derivatives, sites: carotid bifurcation (glomus jugulare), middle ear (glomus tympanicum), along vagus nerve (glomus vagale), also: larynx, orbit, nose, aortic arch (12 Dec 1998) |
| paraganglioma, extra-adrenal | A relatively rare, usually benign neoplasm originating in the chemoreceptor tissue of the carotid body, glomus jugulare, and aortic bodies. It consists histologically of rounded or ovoid hyperchromatic cells that tend to be grouped in an alveolus-like pattern within a scant to moderate amount of fibrous stroma and a few large thin-walled vascular channels. They are uncommon before the age of 20, with a female predominance in some series. (12 Dec 1998) |
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