Lab 10 - Gross and Microscopic Anatomy of Arterial System
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222 Terms
Arteries
Vessels that carry blood away from the heart (usually oxygen-rich)
Arteries
Thick walls and high pressure
Veins
Vessels that carry blood to the heart (usually oxygen-poor)
Veins
Thin walls, valves, and low pressure
Veins
What is the black box?
Artery
What is the purple box?
Lumen
Arteries and veins have 3-layered walls that surround a central ...
Tunic
Each vascular layer of the artery/vein is known as a
Tunica intima
The innermost layer is known as
simple squamous epithelium
Tunic intima is composed of
Lumen
Tunic intima lines the _______
Tunica media
The middle layer is known as ___________
smooth muscle tissue
Tunica media is composed of
Responsible for changes in vessel diameter.
Function of tunica media?
Vasoconstriction
Constriction of the smooth muscle in the tunica media results in...
Vasodilation
Relaxation of the smooth muscle in the tunica media results in...
increases; decreases
Vasocontrsiction _________ resistance to blood flow in vessel while vasodilation _________ resistance
Tunica externa
The outermost layer is known as
Anchor and stabilize the vessel
Function of tunica externa?
Dense irregular connective tissue
Tunica externa consists of...
Thic
Arteries ned a (thick or thin) tunica media to deal with high pressure generated by ventricular systole
Tunica intima
What are the blue arrows?
Venous valves
What are the pink arrows?
Tunica media
What are the green arrows?
Tunica externa
What are the purple arrows?
Prevent backflow.
Function of venous valves?
Arms and legs
Venous valves are abundant in the veins of the
Tunica intima
What are the green arrows?
Tunica media
What are the yellow arrows?
Tunica externa
What are the black arrows?
Tunica intima
What are the green arrows?
Pulmonary trunk
What structure is 1?
Right pulmonary artery
What structure is 2?
Left pulmonary artery
What structure is 3?
Ascending aorta
What structure is 4?
Aortic arch
What structure is 5?
Brachiocephalic artery
What structure is 6?
Left common carotid artery
What structure is 7?
Left subclavian artery
What structure is 8?
Ascending aorta
What artery is 1?
Aortic arch
What artery is 2?
Descending thoracic aorta
What artery is 3?
Descending abdominal aorta
What artery is 4?
Posterior intercostal artery
What artery is 5?
Brachiocephalic artery
What artery is 6?
Left common carotid artery
What artery is 7?
Left subclavian artery
What artery is 8?
Right common carotid artery
What artery is 9?
Right subclavian artery
What artery is 10?
Interbal thoracic artery
What artery is 11?
Anterior intercostal artery
What artery is 12?
Right vertebral artery
What artery is 13?
Right axillary artery
What artery is 14?
Right brachial artery
What artery is 15?
Right brachial artery
What is 1?
Right radial artery
What is 2?
Right ulnar artery
What is 3?
Right superficial palmar arch
What is 4?
Right digital artery
What is 5?
Aortic arch
What is 1?
Brachiocephalic artery
What is 2?
Right subclavian artery
What is 3?
Right common carotid artery
What is 4?
Right vertebral artery
What is 5?
Right internal carotid artery
What is 6?
Right external carotid artery
What is 7?
Vertebral artery
What artery is 1?
Basilar artery
What artery is 2?
Posterior cerebral artery
What artery is 3?
Internal cerebral artery
What artery is 4?
Middle cerebral artery
What artery is 5?
Anterior cerebral artery
What artery is 6?
Superior phrenic artery
What artery is 1?
Left gastric artery
What artery is 2?
Splenic artery
What artery is 3?
Common hepatic artery
What artery is 4?
Right suprarenal artery
What artery is 5?
Superior mesenteric artery
What artery is 6?
Right renal artery
What artery is 7?
Left gonadal artery
What artery is 8?
Right lumbar artery
What artery is 9?
Inferior mesenteric artery
What artery is 10?
Descending abdominal aorta
What artery is 11?
Right common iliac artery
What artery is 12?
Descending abdominal aorta
What artery is 1?
Right common ilica artery
What artery is 2?
Right internal iliac artery
What artery is 3?
Right external artery
What artery is 4?
Right femoral artery
What artery is 5?
Right popliteal artery
What artery is 6?
Right popliteal artery
What is 1?
Right anterior tibial artery
What is 2?
Right fibular artery
What is 3?
Right posterior tibial artery
What is 4?
Right lateral plantar artery
What is 5?
Right medial later
What is 6?
Right anterior tibial artery
What is 1?
Right dorsalis pedis artery
What is 2?
Ascending aorta
What is 1?
Aortic arch
What is 2?
