मुख्य रूप से समुद्री annelids दोनों लिंगों और युग्मित appendages (पैरापोडिया)

polychaetes's Usage Examples:

Still, Lake Baikal has a seal (Phoca vitulina, Phoca baikalensis of Dybowski) quite akin to the seals of Spitsbergen, marine sponges, polychaetes, a marine mollusc (ancilodoris), and some marine gammarids.

Eyes are present, but hardly so complex as in certain genera of Polychaetes.

Beneath this again is a distinct peritoneum lining the coelom, which appears to be wanting as a special layer in some Polychaetes (Benham, Gilson).

- " Errant" Polychaetes with well-marked prostomium possessing tentacles and palps with evident and locomotor parapodia, supported (with few exceptions) by strong spines, the aciculi; muscular pharynx usually armed with jaws; septa and nephridia regularly metameric and similar throughout body; free living and predaceous.

Budding, in fact, among the Polychaetes is limited to the family Syllidae.

In other Polychaetes one or more pairs of similar outgrowths are glandular.

This differentiation is not, however, peculiar to the Polychaetes; for in several Oligochaetes the anterior nephridia are of large size, and opening as they do into the buccal cavity clearly play a different function to those which follow.

The same arrangement is found in some other Polychaetes; for instance, in Sabellaria there is a single pair of large anterior nephridia, which open by a common pore, followed after an interval by large-funnelled and short nephridia.

In Polynoe the nephridia are short tubes with a slightly folded funnel whose lumen is intercellular, and this intercellular lumen is characteristic of the Polychaetes as contrasted with leeches and Oligochaetes.

Among the Archiannelida, in Aeolosoma and some Polychaetes, the whole central nervous system remains imbedded in the epidermis.

polychaetes's Meaning':

chiefly marine annelids possessing both sexes and having paired appendages (parapodia

Synonyms:

class Polychaeta, lug, annelid, bloodworm, lugworm, lobworm, polychete worm, annelid worm, polychete, polychaete worm, Polychaeta, sea mouse, segmented worm,

Antonyms:

unstuff, unclog,