Microscopic anatomy and ultrastructure of the lophophoral organs and adjacent epithelia of the lophophoral concavity and the anal papilla of Phoronopsis harmeri Pixell, 1912 (Lophophorata: Phoronida)

Microscopic anatomy and ultrastructure of the lophophoral organs and adjacent epithelia of the... This paper describes the morphology and ultrastructure of lophophoral organs and adjacent epithelia of lophophoral concavity and anal papilla in the phoronid Phoronopsis harmeri. The lophophoral organ consists of two parts, which are connected to each other with a spacious foramen. The lower part is sack-shaped and the upper part is hood-shaped. Inside the lower part, there is a large cavity, which communicates to the environment with a narrow slit. Nephridiopores are directed towards these slits. Three types of lophophoral organ epithelia have been distinguished, all of them comprised supporting and glandular cells. Cells with inclusions resembling bacteria were found in the inner epithelium of lophophoral organs. The epithelium of the anal papilla consists of supporting and numerous glandular cells. The formation of spermatophores in lophophoral organs, as well as the structure and functions of glandular cells in epithelia of lophophoral organs and anal papilla, are discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Microscopic anatomy and ultrastructure of the lophophoral organs and adjacent epithelia of the lophophoral concavity and the anal papilla of Phoronopsis harmeri Pixell, 1912 (Lophophorata: Phoronida)

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074006060034
Publisher site
See Article on Publisher Site

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