Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
Which layer of the vessel is composed of concentric layers of smooth muscle cells?
Which layer of the vessel is composed of concentric layers of smooth muscle cells?
- Capillaries
- Tunica intima
- Tunica media (correct)
- Tunica externa
What is the main function of the endothelial cells in the vessel lining?
What is the main function of the endothelial cells in the vessel lining?
- To resist leukocyte adhesion
- To form a barrier that contains blood within the lumen of the vessel (correct)
- To modulate the immune response
- To secrete vasodilators and vasoconstrictors
Which layer of the vessel contains strong connective tissue?
Which layer of the vessel contains strong connective tissue?
- Tunica externa (correct)
- Tunica media
- Tunica intima
- Capillaries
Which type of vessel has uniquely thin walls composed of only endothelial cells and basement membrane?
Which type of vessel has uniquely thin walls composed of only endothelial cells and basement membrane?
Signup and view all the answers
What substances do endothelial cells secrete that modulate the contraction of smooth muscle cells in the vessel?
What substances do endothelial cells secrete that modulate the contraction of smooth muscle cells in the vessel?
Signup and view all the answers
