Opisthopora

Opisthopora

[¦ä·pəs¦thäp·ə·rə]

(invertebrate zoology)

An order of the class Oligochaeta distinguished by meganephridiostomal, male pores opening posteriorly to the last testicular segment.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.