Histology (Blood Vessel)

Blood vessels that convey blood from tissues back to the heart.

• Arteries

• Veins

• Arterioles

This layer is in direct contact with the blood as it flow through the lumen.

• Tunica media

• Tunica externa

• Tunica intima

Tunica interna's innermost layer is called _______, which is continuous with the endocardial lining of the heart.

Arteries have low compliance.

• TRUE

• FALSE

• MAYBE

Small vessels that supply blood to the tissues of the vessel.

• Veins

• Vasa vasorum

• Venules

Tunica externa is composed of dense irregular connective tissue.

• MAYBE

• FALSE

• TRUE

Thickest layer of wall of the veins.

Thin folds of tunica interna that form flaplike cusps.

Medium-sized arteries

• Elastic arteries

• Muscular arteries

Capillaries that have many fenestrations and small pores.