Hermaphroditic स्थलीय और जलीय annelids bristles शरीर की लंबाई के साथ अकेले पैदा हुए

oligochaetes's Usage Examples:

Externally, the nephridium opens by a vesicle, as in many Oligochaetes whose lumen is intercellular.

There is no communication between the nephridia on one side and the other, but in Eupolia there are ducts opening into the alimentary canal as well as to the exterior, a condition of things which recalls what obtains in certain Oligochaetes.

In the Oligochaetes it is only the families Aeolosomatidae and Naididae that show the same phenomenon.

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.

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.

3) are among the most remarkable forms. Simple bifid setae, such as those of Oligochaetes, are also present in certain forms.

The setae vary much in form and are often longer and stronger than in the Oligochaetes.

oligochaetes's Meaning':

hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body