Fig. 3
From: Comparative morphology of the nervous system in three phylactolaemate bryozoans
Simplified scheme of lophophore base innervation in Cristatella mucedo (a) Plumatella repens (b) and Fredericella sultana (c) based on staining with antibodies against acetylated tubulin. Abbreviations: arn, additional radial nerve; dn, distal branches of main radial nerves; fn, frontal nerve; lh, lophophore nerve tracts (horns); ln, lateral branches of main radial nerves; mrn, main radial nerves