Wednesday, May 8, 2013

For my lab I looked at the development of the heart in early chick embryos. The first image is a cross section of a chick at 33 hours. You can see the sonoatrial region of the heart beginning to develop.


The following three images are of a chick at 48 hours. The first two are cross sections and the third one is a sagittal section. You can see the dorsal aorta and the descending aorta.

 

The last image is of a embryo at 72 hours. it is a sagittal section. This image shows the descending aorta.

 
 


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