Ultrastructural Features of Gut Regeneration in Five-Month-Old Pentactulae of the Holothurian Eupentacta fraudatrix

Ultrastructural Features of Gut Regeneration in Five-Month-Old Pentactulae of the Holothurian... Posterior regeneration of the digestive system after bisection was investigated in the anterior halves of the five-month-old pentactulae of the holothurian Eupentacta fraudatrix using electron microscopy. Three stages of gut restoration were distinguished. The first stage is characterized by degradation of the damaged part of the gut followed by wound healing. Active morphogenetic processes (cell proliferation, dedifferentiation, cell migration, and redifferentiation) are observed at the second stage. During the third (final) stage, the ablated parts differentiate in the posterior portion of the intestine. The cells of the gut remnant tissues were shown to be the cell sources of regeneration. Based on both the data available from the literature and the results of our study, the conclusion was drawn that the mechanisms of gut restoration differ significantly in the pentactulae and adults of E. fraudatrix. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Ultrastructural Features of Gut Regeneration in Five-Month-Old Pentactulae of the Holothurian Eupentacta fraudatrix

Loading next page...
 
/lp/springer_journal/ultrastructural-features-of-gut-regeneration-in-five-month-old-NdXyx4RZYa
Publisher
Springer Journals
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1023/A:1013705504876
Publisher site
See Article on Publisher Site

Abstract

Posterior regeneration of the digestive system after bisection was investigated in the anterior halves of the five-month-old pentactulae of the holothurian Eupentacta fraudatrix using electron microscopy. Three stages of gut restoration were distinguished. The first stage is characterized by degradation of the damaged part of the gut followed by wound healing. Active morphogenetic processes (cell proliferation, dedifferentiation, cell migration, and redifferentiation) are observed at the second stage. During the third (final) stage, the ablated parts differentiate in the posterior portion of the intestine. The cells of the gut remnant tissues were shown to be the cell sources of regeneration. Based on both the data available from the literature and the results of our study, the conclusion was drawn that the mechanisms of gut restoration differ significantly in the pentactulae and adults of E. fraudatrix.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Oct 16, 2004

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off