The prostomium (From Ancient Greek, meaning "before the mouth"; pl.: prostomia; sometimes also called the "acron") is the cephalized first body segment...

directly behind the prostomium and contains the mouth, tentacular cirri, and sometimes feeding palps, which may instead occur on the prostomium. If an eversible...

requiring various modifications to their body structures. The head, or prostomium, is relatively well developed, compared with other annelids. It projects...

Violet-coloured prostomium. Anterior margin of prostomium with an acute anterior projection. Lateral antennae inserted ventrally (beneath prostomium and median...

generally in the prostomium, while those of clitellates are in the peristomium or sometimes the first segment behind the prostomium. In some very mobile...

earthworm's mouth and, overhanging the mouth, a fleshy lobe called the prostomium, which seals the entrance when the worm is at rest, but is also used to...

to move Explosively evert pharynx into sediment, anchor position with prostomium and pull body forward. Eversible pharynx also used in prey capture: 4...

subtidal zones, but a few are found at abyssal depths. The first segment, or prostomium, of oligochaetes is usually a smooth lobe or cone without sensory organs...

to the earthworm to prevent escape. The planarians cover, or cap, the prostomium, peristomium, and anterior end to stop the violent reaction by the earthworm...

especially in the plant family Euphorbiaceae Caruncle, an appendage to the prostomium of a worm's body Sublingual caruncle, an area on the human tongue Lacrimal...