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strange structures in newt bud limb

dbag at dbag.unifi.it dbag at dbag.unifi.it
Mon Jan 15 11:51:04 EST 1996

I am a postgraduate student at the Dipartimento di Biologia animale of 
Florence University, I am studying the development of newt limb especially 
in relationship between ectoderm and mesenchima, from morphological point of 

In my T.E.M. observations of fore bud limb, I often found some particular 
mesenchimal cells under the ectoderm layer filled with big round structures 
(vesicles ?) very not electrondense and I see also special drops or vesicles 
that seems to be produced by basal ectodermical layer and going dawn in the 
mesenchimal intercellular space, crossing the basal membrane. 

Does anyone know something about this or some bibliographic reference? I 
found nothing until now.

Thank you very much.

Dr. Antonella Pucci

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