Arteriole
This electron micrograph shows a portion of the wall of an arteriole with two layers of smooth muscle cells. Some of the space between the smooth muscle cells is due to artifactual shrinkage during fixation. The endothelial cells lie immediately above the internal elastic lamina and a portion of the tunica adventitia with fibroblast processes is visible in the lower left. 10,000x
Tunica intima
This electron micrograph shows a portion of the wall of an arteriole with two layers of smooth muscle cells. Some of the space between the smooth muscle cells is due to artifactual shrinkage during fixation. The endothelial cells lie immediately above the internal elastic lamina and a portion of the tunica adventitia with fibroblast processes is visible in the lower left. 10,000x
- Endothelial cells
This electron micrograph shows a portion of the wall of an arteriole with two layers of smooth muscle cells. Some of the space between the smooth muscle cells is due to artifactual shrinkage during fixation. The endothelial cells lie immediately above the internal elastic lamina and a portion of the tunica adventitia with fibroblast processes is visible in the lower left. 10,000x
- Internal elastic lamina
This electron micrograph shows a portion of the wall of an arteriole with two layers of smooth muscle cells. Some of the space between the smooth muscle cells is due to artifactual shrinkage during fixation. The endothelial cells lie immediately above the internal elastic lamina and a portion of the tunica adventitia with fibroblast processes is visible in the lower left. 10,000x
Tunica media
This electron micrograph shows a portion of the wall of an arteriole with two layers of smooth muscle cells. Some of the space between the smooth muscle cells is due to artifactual shrinkage during fixation. The endothelial cells lie immediately above the internal elastic lamina and a portion of the tunica adventitia with fibroblast processes is visible in the lower left. 10,000x
- Smooth muscle cells
This electron micrograph shows a portion of the wall of an arteriole with two layers of smooth muscle cells. Some of the space between the smooth muscle cells is due to artifactual shrinkage during fixation. The endothelial cells lie immediately above the internal elastic lamina and a portion of the tunica adventitia with fibroblast processes is visible in the lower left. 10,000x
- External lamina
This electron micrograph shows a portion of the wall of an arteriole with two layers of smooth muscle cells. Some of the space between the smooth muscle cells is due to artifactual shrinkage during fixation. The endothelial cells lie immediately above the internal elastic lamina and a portion of the tunica adventitia with fibroblast processes is visible in the lower left. 10,000x
Tunica adventitia
This electron micrograph shows a portion of the wall of an arteriole with two layers of smooth muscle cells. Some of the space between the smooth muscle cells is due to artifactual shrinkage during fixation. The endothelial cells lie immediately above the internal elastic lamina and a portion of the tunica adventitia with fibroblast processes is visible in the lower left. 10,000x