Elastic artery
The tunica intima of an elastic artery consists of an endothelium and underlying connective tissue. An internal elastic lamina is not readily visible, because it blends with the elastic lamellae in tunica media. The thickest layer is tunica media, composed of circularly arranged smooth muscle cells, alternating with fenestrated elastic lamellae. The tunica adventitia is composed of connective tissue. 200x
Tunica intima
The tunica intima of an elastic artery consists of an endothelium and underlying connective tissue. An internal elastic lamina is not readily visible, because it blends with the elastic lamellae in tunica media. The thickest layer is tunica media, composed of circularly arranged smooth muscle cells, alternating with fenestrated elastic lamellae. The tunica adventitia is composed of connective tissue. 200x
Tunica media
The tunica intima of an elastic artery consists of an endothelium and underlying connective tissue. An internal elastic lamina is not readily visible, because it blends with the elastic lamellae in tunica media. The thickest layer is tunica media, composed of circularly arranged smooth muscle cells, alternating with fenestrated elastic lamellae. The tunica adventitia is composed of connective tissue. 200x
- Elastic lamellae
The tunica intima of an elastic artery consists of an endothelium and underlying connective tissue. An internal elastic lamina is not readily visible, because it blends with the elastic lamellae in tunica media. The thickest layer is tunica media, composed of circularly arranged smooth muscle cells, alternating with fenestrated elastic lamellae. The tunica adventitia is composed of connective tissue. 200x
- Smooth muscle
The tunica intima of an elastic artery consists of an endothelium and underlying connective tissue. An internal elastic lamina is not readily visible, because it blends with the elastic lamellae in tunica media. The thickest layer is tunica media, composed of circularly arranged smooth muscle cells, alternating with fenestrated elastic lamellae. The tunica adventitia is composed of connective tissue. 200x
Tunica adventitia
The tunica intima of an elastic artery consists of an endothelium and underlying connective tissue. An internal elastic lamina is not readily visible, because it blends with the elastic lamellae in tunica media. The thickest layer is tunica media, composed of circularly arranged smooth muscle cells, alternating with fenestrated elastic lamellae. The tunica adventitia is composed of connective tissue. 200x
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