12 Questions
Which type of artery is known for its elasticity?
Large artery
What separates the chambers on the right side of the heart from those on the left side?
Interatrial septum
Which valve guards the communication between the right atrium and the right ventricle?
Tricuspid valve
Which blood vessel is collectively referred to as semilunar valves?
Aorta
What is the main cause of aneurysm in small arteries and arterioles?
Atrophy of the tunica media
Which type of capillary has circular openings in their endothelial cells closed by diaphragms?
Fenestrated capillaries
What is the function of capillaries in our body?
Exchange of nutrients and wastes between blood and tissue cells
Which type of tissues are likely to have an abundant capillary network?
Tissues with high metabolic rate
Where can discontinuous capillaries with irregular-shaped cells and discontinuous basal membranes be found?
Spleen, bone marrow, and liver
What is the function of valves in veins?
To prevent reflux of blood
Which layer of large veins has a well-developed structure with many longitudinal smooth muscle bundles embedded in connective tissue?
Tunica adventitia
What is the histological feature found in large veins like the SVC and IVC?
Well-developed tunica media with a circular smooth muscle layer
Explore the structure and function of small arteries, arterioles, and capillaries in the human body. Learn about the potential complications like aneurysm formation and understand how capillaries facilitate nutrient and waste exchange.
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