chemodectoma

Pronunciation: kē′mō-dek-tō′mă

Definition: 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.

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

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

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