Document Detail

Digit regeneration in the amphibian--Triturus cristatus.
MedLine Citation:
PMID:  650129     Owner:  NLM     Status:  MEDLINE    
Digit regeneration has been examined in Triturus cristatus. Because of their size, blastemas that form after digit amputation are relatively a lot more suitable for quantitative studies that involve for example the counting of cells in histological sections. They are also very useful for the study of some basic histological aspects of regeneration particularly cartilage formation. This has been looked at in regenerating digits, as there are only a maximum of three bones to regenerate and these lie in sequence, one after the other. It was seen that the cartilage is laid down as a solid rod by about 17 days post-amputation, and that by about 20 days, it starts to be split up into its three elements. An X-ray study of the growth of digit regeneration together with autoradiography experiments were also carried out as a comparison to studies already undertaken on larger more proximal blastemas. It was shown that in fact the behaviour of digit blastemas is very similar to those of a more proximal origin. This fact, together with the advantages of its size, make the digit a very strong candidate for the further study of regeneration.
A R Smith
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of embryology and experimental morphology     Volume:  44     ISSN:  0022-0752     ISO Abbreviation:  J Embryol Exp Morphol     Publication Date:  1978 Apr 
Date Detail:
Created Date:  1978-07-15     Completed Date:  1978-07-15     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  7906439     Medline TA:  J Embryol Exp Morphol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  105-12     Citation Subset:  IM    
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MeSH Terms
Cell Differentiation
Forelimb / anatomy & histology,  physiology*
Time Factors
Triturus / physiology*

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