Evidence map›Paper›PMID 20446006›Full record

ArticleProtoplasma2010

Fine structure of the midgut epithelium in two Archaeognatha, Lepismachilis notata and Machilis hrabei (Insecta), in relation to its degeneration and regeneration.

Magdalena M Rost-Roszkowska, Petr Jansta, Jitka Vilimova

Abstract read
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In one paragraph

Article in Protoplasma, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Magdalena M Rost-RoszkowskaDepartment of Animal Histology and Embryology, University of Silesia, Bankowa 9, Katowice, Poland. magdalena.rost-roszkowska@us.edu.pl
Petr Jansta
Jitka Vilimova

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In two archaeognathans, Lepismachilis notata and Machilis hrabei, the midgut epithelium and processes of its regeneration and degeneration have been described at the ultrastructural level. In both analysed species, the midgut epithelium is composed of epithelial and regenerative cells (regenerative nests). The epithelial cells show distinct regionalization in organelles distribution with the basal, perinuclear, and apical regions being distinguished. Degeneration of epithelial cells proceeds in a necrotic way (continuous degeneration) during the entire life of adult specimens, but just before each moult degeneration intensifies. Apoptosis has been observed. Regenerative cells fulfil the role of midgut stem cells. Some of them proliferate, while the others differentiate into epithelial cells. We compared the organisation of the midgut epithelium of M. hrabei and L. notata with zygentoman species, which have just been described.

Indexed as

AnimalsDigestive SystemEpitheliumInsectaRegeneration

Identifiers

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.