Definition of Peristomium. Meaning of Peristomium. Synonyms of Peristomium

- The peristomium is the first true body segment in an annelid worm's body in the anterior end. It is directly behind the prostomium and contains the mouth...
- over the dorsal side of the mouth. The prostomium together with the peristomium, which includes the mouth and pharynx, make up the annelid head. The...
- the blood makes its entire circuit via blood vessels.   Prostomium   Peristomium O Mouth   Growth zone   Pygidium O **** In addition to Sipuncula and...
- filter feeders with no buccal organ. The prostomium is fused with the peristomium and bears a ring of feathery feeding tentacles. They live in parchment-like...
- triangular anterior lobe—the prostomium—and a posterior ring-like portion—the peristomium. The latter bears four pairs of tentacular cirri, dorsally two pairs...
- tail piece. The head consists of a Prostomium (part of the mouth) and a peristomium (area around the mouth) and carries paired appendages (palps, antennae...
- Parapodia are mostly biramous (only the first two pairs are uniramous). Peristomium fused with the first body segment, with usually two pairs of tentacular...
- species it is more continuous. The mouth of polychaetes is located on the peristomium, the segment behind the prostomium, and varies in form depending on their...
- segmented body ending in a tail. The head consists of a prostomium and peristomium and a pair of appendages (palp, antennae and cirri). Pionosyllis serratisetosa...
- completely ciliated. Between the prostomium and the peristomium is a ring of long cilia. The peristomium is also ciliated anteriorly and forms a ring, with...