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(==Developing Heart Valve Histology and Gene Expression== Human fetal ({{GA}} week 9) semilunar valve leaflet section. * A - Movat's stain * B - immunofluorescence staining with an antibody against tropoelastin/elastin (green) of DAPI-stained nuclei (...)
 
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==Developing Heart Valve Histology and Gene Expression==
==Developing Heart Valve Histology and Gene Expression==


Human fetal ({{GA}} week 9) semilunar valve leaflet section.
Human fetal ({{GA}} week 11) fetal outflow tract and semilunar valve.
 
* red arrow - points to elastic fibers (black) within the large arteries.
* A - Movat's stain
* blue arrow - no elastin-containing fibers are visible in the semilunar leaflet.
* B - immunofluorescence staining with an antibody against tropoelastin/elastin (green) of DAPI-stained nuclei (blue) and α-smooth muscle actin (αSMA)-expressing cells (red).
 
Arrows indicate tropoelastin/elastin in the layer facing the ventricles.  
 
 
Scale bars: 50 μm
 


===Reference===
===Reference===

Revision as of 18:26, 4 March 2015

Developing Heart Valve Histology and Gene Expression

Human fetal (GA week 11) fetal outflow tract and semilunar valve.

  • red arrow - points to elastic fibers (black) within the large arteries.
  • blue arrow - no elastin-containing fibers are visible in the semilunar leaflet.

Reference

<pubmed>23637335</pubmed>| Development

Copyright

© 2013. Published by The Company of Biologists Ltd This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.

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