Fig. 3 in A new oerstediid discovered from wood falls in the Sea of Kumano, Japan: Description of Rhombonemertes rublinea gen. et sp. nov. (Nemertea: Eumonostilifera)

Fig. 3. Rhombonemertes rublinea gen. et sp. nov. (paratype). Photomicrographs of transverse (A, B, D–M) and frontal (C) sections. (A) Body wall in precerebral region; (B) Body wall in foregut region; (C) diagonal muscle fibers (arrowheads) between outer circular and inner longitudinal muscle layers of body wall, intestinal region; (D) frontal organ; (E, F) precerebral vessels (arrowheads); (G) cephalic glands; (H) mid-dorsal vessel (arrowhead); (I) proboscis, arrowheads pointing to proboscis nerves; (J) brain; (K) nephridial canals (arrowhead); (L) rhynchocoel musculature and dorsoventral muscles; (M) ovaries. Abbreviations: br, brain; co, cerebral organ; dvm, dorso-ventral muscle of body wall; ep, epidermis; ic, intestinal caecum; ilm, body-wall inner longitudinal muscle; ocm, body-wall outer circular muscle; pe, proboscis epithelium; pic, proboscis inner circular muscle; pml, proboscis middle longitudinal muscle; poc, proboscis outer circular muscle; py, pylorus, rcm, rhynchocoel circular muscle; rlm, rhynchocoel longitudinal muscle; ov, ovary. Scale bars: 45 μm (A, B); 50 μm (C–E); 100 μm (F–K), 75 μm (L, M).