Figure 1. Chromaffin cell and its targets for functional imaging.Adapted by Kyle Horak, from: Iliaset al.71 Legend:AA Receptor= Aminoacid receptor,hNET= (human) norepinephrine transporter,ST Receptor= somatostatin receptor,Glucose Transporter= GLUT 1 receptor,TH= tyrosine hydroxylase,L-AADC= L-aromatic-aminoacid decarboxylase,DBH= dopamine-β-hydroxylase,PNMT= phenylethanolamine-N-methyltransferase.