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Venule

A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x

Venule <p>A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x</p>

Venule

A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x

Arteriole <p>A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x</p>

Arteriole

A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x

Endothelial cell nuclei <p>A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x</p>

Endothelial cell nuclei

A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x

Smooth muscle cell nuclei <p>A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x</p>

Smooth muscle cell nuclei

A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x

Tunica adventitia <p>A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x</p>

Tunica adventitia

A venule is compared with its accompanying arteriole.  Larger venules, as seen here, have a thin tunica media of scattered smooth muscle cells and a tunica adventitia.  The arrangement of the cells in the wall of the venule is not as uniform as is that of the arteriole, which demonstrates a thicker wall with distinct layers of smooth muscle cells.  400x