phaeochromocytoma
/ˌfiːə(ʊ)krəʊməsʌɪˈtəʊmə/(also pheochromocytoma) Pathology
noun
A tumour consisting of chromaffin cells, typically arising in the adrenal medulla and producing catecholamines.
Origin
1920s. From phaeochromocyte + -oma, after German Phäochromocytom.