Digital Histology
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Venule

Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x

Small venules <p>Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x </p>

Small venules

Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x

Large venule <p>Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x </p>

Large venule

Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x

Venule endothelial cell nuclei <p>Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x </p>

Venule endothelial cell nuclei

Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x

Tunica media <p>Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x </p>

Tunica media

Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x

Tunica adventitia <p>Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x </p>

Tunica adventitia

Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x

Arterioles <p>Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x </p>

Arterioles

Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x

Capillary <p>Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x </p>

Capillary

Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x

Peripheral nerve <p>Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x </p>

Peripheral nerve

Various examples of venules and arterioles are shown in these images. In the left panel, note that small venules are composed of a tunica intima and a thin tunica adventitia of connective tissue. A tunica media is absent. Arterioles have a tunica intima, a single layer of smooth muscle forming the tunica media, and a thin tunica adventitia. In larger venules, as shown in the right panel, the tunica media contains one to two layers of smooth muscle cells. 1000x

Main SlideSmall venulesLarge venuleVenule endothelial cell nucleiTunica mediaTunica adventitiaArteriolesCapillaryPeripheral nerve