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Questions and Answers
What is the main component of the middle layer of circulatory vessels?
What is the main component of the middle layer of circulatory vessels?
- Elastic fibers and nerve cells
- Smooth muscle cells and fibrous connective tissue (correct)
- Endothelial cells and collagen fibers
- Pericytes and elastic tissue
Where can the middle layer of circulatory vessels be completely absent?
Where can the middle layer of circulatory vessels be completely absent?
- Capillaries (correct)
- Arteries
- Myocardium
- Veins
What creates a capillary network in the middle and outer layers of arteries?
What creates a capillary network in the middle and outer layers of arteries?
- Lymphatic capillaries
- Vasa vasorum (correct)
- Nervi nervorum
- Endothelial cells
How is the innervation of large blood vessels primarily carried out?
How is the innervation of large blood vessels primarily carried out?
Which layer of the heart consists of typical muscle cells called cardiac myocytes?
Which layer of the heart consists of typical muscle cells called cardiac myocytes?
What is the function of the conduction system of the heart?
What is the function of the conduction system of the heart?
Where are Purkinje cells found in the heart?
Where are Purkinje cells found in the heart?
What type of cells are present in the endocardium?
What type of cells are present in the endocardium?
What is the main function of the circulatory system?
What is the main function of the circulatory system?
What is NOT a component of the Circulatory System (CIS)?
What is NOT a component of the Circulatory System (CIS)?
How does lymph move within the lymph circulation system?
How does lymph move within the lymph circulation system?
Which layer forms the innermost part of blood vessels in the circulation system?
Which layer forms the innermost part of blood vessels in the circulation system?
What is the main component of the middle layer of capillaries?
What is the main component of the middle layer of capillaries?
Which type of capillaries has a lumen lined by a continuous layer of endothelial cells?
Which type of capillaries has a lumen lined by a continuous layer of endothelial cells?
What are the rare cells found on the outside of capillaries?
What are the rare cells found on the outside of capillaries?
What is the range of diameters for capillaries, including sinusoids, as mentioned in the text?
What is the range of diameters for capillaries, including sinusoids, as mentioned in the text?
What gives elastic arteries their yellow color?
What gives elastic arteries their yellow color?
How does the elastic tissue in muscular arteries differ from that in elastic arteries?
How does the elastic tissue in muscular arteries differ from that in elastic arteries?
What is the main function of arterioles in the circulatory system?
What is the main function of arterioles in the circulatory system?
How does the inner layer of arterioles compare to that of other types of arteries?
How does the inner layer of arterioles compare to that of other types of arteries?
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