Blood Vessel Anatomy, Blood Vessels
Study online at https://quizlet.com/_jr2wu8
1. tunica intima the innermost layer of a blood vessel
2. basement mem- Cells at the base of an epithelial layer are attached to this.
brane
3. endothelium innermost lining of blood vessels
4. lumen space within a tubular part or organ, such as the space within a blood vessel
5. tunica media The middle and thickest layer of tissue of a blood vessel wall, composed of elastic
tissue and smooth muscle cells that allow the vessel to expand or contract in
response to changes in blood pressure and tissue demand.
6. tunica externa outer layer of a blood vessel which connects it to surrounding tissues
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, Blood Vessel Anatomy, Blood Vessels
Study online at https://quizlet.com/_jr2wu8
7. elastic arteries closer to the heart; allow stretch as blood is pumped into them and recoil when
ventricles relax
8. muscular arteries distal to elastic arteries; deliver blood to body organs
9. arterioles smallest arteries
10. capillaries Microscopic vessel through which exchanges take place between the blood and
cells of the body
11. venules smallest veins
12. veins Blood vessels that carry blood back to the heart
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Study online at https://quizlet.com/_jr2wu8
1. tunica intima the innermost layer of a blood vessel
2. basement mem- Cells at the base of an epithelial layer are attached to this.
brane
3. endothelium innermost lining of blood vessels
4. lumen space within a tubular part or organ, such as the space within a blood vessel
5. tunica media The middle and thickest layer of tissue of a blood vessel wall, composed of elastic
tissue and smooth muscle cells that allow the vessel to expand or contract in
response to changes in blood pressure and tissue demand.
6. tunica externa outer layer of a blood vessel which connects it to surrounding tissues
1/6
, Blood Vessel Anatomy, Blood Vessels
Study online at https://quizlet.com/_jr2wu8
7. elastic arteries closer to the heart; allow stretch as blood is pumped into them and recoil when
ventricles relax
8. muscular arteries distal to elastic arteries; deliver blood to body organs
9. arterioles smallest arteries
10. capillaries Microscopic vessel through which exchanges take place between the blood and
cells of the body
11. venules smallest veins
12. veins Blood vessels that carry blood back to the heart
2/6
