Definition of Prostomium. Meaning of Prostomium. Synonyms of Prostomium

Here you will find one or more explanations in English for the word Prostomium. Also in the bottom left of the page several parts of wikipedia pages related to the word Prostomium and, of course, Prostomium synonyms and on the right images related to the word Prostomium.

Definition of Prostomium

Prostomium
Prostomium Pro*sto"mi*um, n.; pl. Prostomia. [NL., fr. Gr. ? before + ?, ?, mouth.] (Zo["o]l.) That portion of the head of an annelid situated in front of the mouth. -- Pro*sto"mi*al, a.

Meaning of Prostomium from wikipedia

- The prostomium (From Ancient Gr****, 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...
- generally in the prostomium, while those of ****ellates are in the peristomium or sometimes the first segment behind the prostomium. In some very mobile...
- to move Explosively evert pharynx into sediment, anchor position with prostomium and pull body forward. Eversible pharynx also used in prey capture: 4...
- 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...
- on Saccocirrus sonomacus from the Pacific Coast of the Americas, the prostomium supports a pair of grooved palps that have a primarily sensory purpose...
- colour, with two distinct dark pigmented eyes on its prostomium. The anterior part of prostomium has four large and many small bristles and sensory cilia...
- the anteriormost segments may be specialised into the head region and prostomium, which can result in the modification of those parapodia, loss of chaetae...
- 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...