Aorta

 

  
Aorta explanatory video

Aorta and pulmonary trunk are the largest arteries and are called elastic arteries. Tunica intima is the most internal of the layers and is about 100 Ám thick in the adult. The layer under the endothelium contains longitudinal collagenous and elastic fibers which contains fibroblasts, macrophages and myocytes. The next layer is the layer of internal elastic laminae which is not dermacated from the layer of tunica media that also contains elastic tissues. Tunica media contains myocytes which are arranged circumferentially distally but radially or obliquely proximally. In old age elastin and collagen increases as water decreases. So also does the deposition of calcium salts and lipids in intima and media increase.

 

Cells

Endothelial cell

 

 

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histophysiology  histopharmacology  histochemistry  histopathology

  
Creator: Oluwole Ogunranti

 
Aorta microscope       Double click for full screen


  

 

 

 

 

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