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Small arteries

Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x

Small artery <p>Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x</p>

Small artery

Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x
Arteriole <p>Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x</p>

Arteriole

Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x
Endothelium of tunica intima <p>Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x</p>

Endothelium of tunica intima

Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x
- Internal elastic lamina <p>Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x</p>

- Internal elastic lamina

Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x
Tunica media <p>Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x</p>

Tunica media

Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x
Tunica adventitia <p>Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x</p>

Tunica adventitia

Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x
Venule <p>Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x</p>

Venule

Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x
Peripheral nerve <p>Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x</p>

Peripheral nerve

Small arteries have three to eight layers of smooth muscle in the tunica media and an internal elastic lamina is generally present. The smallest arteries, like the one shown on the right, lead into arterioles, which are the main regulators of blood pressure. 700x, 1000x
Main SlideSmall arteryArterioleEndothelium of tunica intima - Internal elastic laminaTunica mediaTunica adventitiaVenulePeripheral nerve