The nervous-cement gland complex is located in the anterior coelom, medial to the gills and at the base of the prostomium. A dorsal view, anterior left, with esophagus, heart and other organs removed.

BR - brainES - transected esophagus (partly covered by brain)CEC - circumesophageal connectiveSEG - subesophageal ganglionCG - cement glandLN - lateral nerveVNC - ventral nerve cord(From Tweedell, 1980).