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The excretory system of the trematode, Typhlocoelum cucumerinum, with notes on lymph-like structures in the family Cyclocoelidae

✍ Scribed by Charles H. Willey

Publisher: John Wiley and Sons
Year: 1935
Tongue: English
Weight: 695 KB
Volume: 57
Category: Article
ISSN: 0362-2525
DOI: 10.1002/jmor.1050570206

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✦ Synopsis

Abstract

The exeretory system of Typhlocoelum cucumerinum consists of three pairs of longitudinal channels communicating by a single ventral vessel with the excretory vesicle. Branches subdivide extensively and anastomose forming a dense network of tubules throughout the body. The vessele possess many of the features characteristic of lymph systems as described in amphistome trematodes. They have cuticular walls, come into intimate association with the intestine and contain a granular coagulum and cellular elements suspended in the lumen. The single system of vessels appears to be functioning as a combined lymph and excretory system. Typhlocoelum americanum Manter and Williams ('28) is regarded as a synonym of Typhlocoelum cucumerinum (Rud. 1809).

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