Vena cava of the horse
Organ: Vena cava, Species: Horse. Comments: Cross section of the vena cava. Notice that the smooth muscle cells are arranged in longitudinal bundles in the tunica adventitia. This is a characteristic of large veins.
Organ: Vena cava, Species: Horse. Comments: Cross section of the vena cava. Notice that the smooth muscle cells are arranged in longitudinal bundles in the tunica adventitia. This is a characteristic of large veins.