Dissected female; mantle cut and opened to right except on part of mantle cavity.
Terms are defined in glossary below.
1: sole of foot. 2: dorsum of foot. 3: cephalic tentacle.
4: operculum. 5: mantle edge.
7: darkly blotched mantle. 8: respiratory inhalent siphon.
9: osphradium. 10: ctenidium.
11: hypobranchial gland. 12: kidney.
13: digestive gland. 14: stomach.
15: ovary. 18: proboscis sheath seen through translucent body wall.
20: ova.
Llŷn Peninsula, Wales, March 2016.