Fig. 5 in The metatrochophore of a deep-sea hydrothermal vent vestimentiferan (Polychaeta: Siboglinidae)

Fig. 5 Apical organ of specimen #308 in cross section from anterior to posterior. a, b Three collar receptors (1-3); c, d dendrites of three collar receptors (1-3) and one gland cell (g); e gland cell (g) and cell bodies with nuclei (n1-3) of three collar receptors; f gland cell (g); g nucleus (ng) of gland cell