Fig. 3.

Schematic drawing of the nervous system of the anterior part of bone-eating male Osedax priapus. Acetylated α-tubulin IR shown in black, serotonin LIR shown in red, body outline in grey. Abbreviations: asn – anterior seminal nerve, br – brain, cvc – commissure of the vc, dn – dorsal nerve, dln 1-3 – dorso-lateral nerve bundle 1-3, dlpn1,2 – dorsal left palp nerve 1, 2, drpn 1, 2 – dorsal right palp nerve 1, 2, snn – seminal vesicle nerve net, vc – ventral cord, vcp – ventral cord projection, vln – ventro-lateral nerve