Masses of chromaffin tissue found on the anterior surface of the aorta between the origin of the inferior mesenteric artery and the aortic bifurcation and associated with the sympathetic ganglions. They are the commonest site of extra-adrenal pheochromocytomas. They may maintain blood pressure in early foetal life, involutes after 8th month of gestation.
First described by Emil Zuckerkandl in:
- Verhandlungen der Anatomischen Gesellschaft, Jena 1901, page 95.
Supplement to volume 19 of Anatomischer Anzeiger.
- Malte Stoffregen:
Zur Rolle histochemischer Phänomene bei der Entdeckung und Systematisierung des chromaffinen Gewebes.
Medizinhistorisches Journal, 1984, 19: 191-209.
We thank Dr. Malte Stoffregen for information submitted.
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