FIGURE 1 in Redescription of Korotkevitschia pelagica (Korotkevitsch, 1961) (Enopla: Hoplonemertea: Cratenemertea), a pelagic nemertean from Antarctica

FIGURE 1. Korotkevitschia pelagica. Schema of internal organization of anterior portion in lateral view. BR, brain; CG, cephalic glands; CM, body wall circular muscle layer; CO, cerebral sensory organ; CR, circum­rhynchodaeal gland cells; CV, cephalic blood vessel; DC, dorsal cerebral commissure; DE, dermis; EX, excretory tubules; FO, frontal organ; LM, body wall longitudinal muscle layer; LN, lateral nerve cord; LV, lateral blood vessel; LP, lateral pouches of intestinal caecum; PS, precerebral septum; RC, rhynchocoel; RD, rhynchodaeum; RM, cephalic retractor muscles; RP, rhynchopore; RS, rhynchodaeal sphincter of circular muscles; ST, stomach; VC, ventral cerebral commissure; VP, vascular plug of dorsal blood vessel.