chemodectoma

chemodectoma

 [ke″mo-dek-to´mah]

any benign, chromaffin-negative tumor of the chemoreceptor system, such as a tumor of the carotid, aortic, or tympanic body.

che·mo·dec·to·ma

(kē'mō-dek-tō'mă),

Aortic body, carotid body, chemoreceptor, or glomus jugulare tumor; 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 alveoluslike pattern within a scant to moderate amount of fibrous stroma and a few large thin-walled vascular channels. Compare: paraganglioma.

Synonym(s): aortic body tumor, carotid body tumor, nonchromaffin paraganglioma

[chemo- + G. dektēs, receiver, fr. dechomai, to receive, + -oma, tumor]

chemodectoma

/che·mo·dec·to·ma/ (-dek-to´mah) any benign, chromaffin-negative tumor of the chemoreceptor system, e.g., a carotid body tumor or glomus jugulare tumor.

chemodectoma

(1) Paraganglioma. 
(2) Carotid body tumour, see there.

che·mo·dec·to·ma

(kē'mō-dek-tō'mă)

A relatively rare, usually benign neoplasm originating in the chemoreceptor tissue of the carotid body, glomus jugulare, and aortic bodies.
Compare: paraganglioma
Synonym(s): glomus jugulare tumor.

[chemo- + G. dektēs, receiver, fr. dechomai, to receive, + -oma, tumor]

chemodectoma

nonchromaffin paraganglionoma: any tumor of the chemoreceptor system, e.g. a carotid body tumor, aortic body tumor. Brachycephalic breeds of dogs are predisposed, possibly due to genetic factors and chronic hypoxia.