Clitellum of a worm
WebBoth the egg(s) and alien sperm will be laid into a cocoon secreted by clitellum. The mother worm sheds the cocoon by crawling backwards, after which the cocoon’s shell will … WebThe clitellum should be more or less flush with the rest of the body. However, when jumping worms form cocoons the clitellum may appear swollen. An important feature for …
Clitellum of a worm
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WebClitellum: A swollen glandular region or saddle of epidermal tissue in the area of the gonopores that secretes material to form cocoons. From: Thorp and Covich's Freshwater Invertebrates (Fourth Edition), 2016 Related terms: Oligochaeta Chaeta Atrium Gill Eggs Penis Proboscis View all Topics Add to Mendeley About this page WebAn adult can be up to eight inches long and 1/5- to 1/3-inch wide. Their most distinctive feature is the clitellum, the pale, flat band that entirely encircles its body. By contrast, the clitellum of common earthworms does not extend completely around the body and is darker and slightly raised.
WebApr 11, 2024 · The most consistent feature is an organ known as the clitellum, or the reproductive organs of worms. On common earthworms, this looks like a saddle-shape that partially covers several segments, is normally reddish-brown, and is …
WebOther stages in the life of an earthworm: Earthworms reproduce by laying a cocoon – a sac that contains the earthworm’s eggs The cocoon is … Webclitellum. noun, plural cli·tel·la [klahy-tel-uh]. a ring or saddle-shaped region of glandular tissue in the body wall of certain annelids, as earthworms and some leeches, that …
WebApr 6, 2024 · The clitellum is a thickened glandular and non segmented section of the body wall near the head of the earthworm that secretes a viscid sac in which the eggs are …
WebJun 8, 2024 · The clitellum is a structure on the anterior portion of the worm that generates mucus to aid in sperm transfer from one worm to another; it also forms a cocoon within which fertilization occurs. Most annelids have chitinous hairlike extensions in every segment called chaetae that are anchored in the epidermis, although the number and size of ... the rocks ppWebThe worm is fully mature when the clitellum swells around their bodies. These worms have both male and female reproductive organs, but still require another worm to reproduce. During the reproductive phase, the … track left on water by a passing boatWebClitellum The glandular ring or saddle found on mature earthworms. After mating, the clitellum secretes a cocoon of eggs. Acknowledgement: Ross Gray Dorsal The top of the earthworm running from the anterior to the … track learning licence application statusWebAug 22, 2012 · Indeed, a clitellum is part of the reproductive systems of all clitellates, a subgroup of the Annelid phylum (also called “segmented worms” or “ringed worms”) that … the rock spokaneWebJul 22, 2024 · The clitellum is an essential part of the reproductive system of sexually mature earthworms. It indicates that the reproductive system of earthworm is ready and they are fully mature. It starts to appear as a non-segmented swelling around the middle to top third of the worm body once they reach adulthood in about six to eight weeks. trackle cashbackWebIn earthworms the clitellum can only be seen when the worm is sexually mature. Where is the clitellum located in a worm? Adult (sexually mature) earthworms have a distinct … the rock spot riWebLocate the clitellum which is on the anterior end of the worm. Locate the mouth of the worm on the far anterior end of the worm.The openings toward the anterior of the worm … trackle code