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...
- the anteriormost segments may be specialised into the head region and prostomium, which can result in the modification of those parapodia, loss of chaetae...
- 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 ****ellates are in the peristomium or sometimes the first segment behind the prostomium. In some very mobile...
- requiring various modifications to their body structures. The head, or prostomium, is relatively well developed, compared with other annelids. It projects...
- 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...
- 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...
- tentacles. The head consists of two segments: the anterior and posterior prostomium. The last body segment is known as the pygidium. The jaws of the clam...
- 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 prostomium bears a pair of acute anterior projections on its anterior margin. Lateral antennae are positioned ventrally on the prostomium, directly...