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The tunica media is the middle layer of the wall of a blood vessel. It is made up of smooth muscle cells and sheets of elastic tissue that help regulate blood flow in the body by causing the blood vessel to narrow or widen.
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∙ 13y ago
Wiki User
∙ 12y agoTunica Media
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How many layers does a blood vessel have?
A blood vessel has three layers. They are the tunica intima (inntermost layer), the tunica media (middle layer), and tunica externa (outermost layer).
Why is there a thin muscular layer in veins?
to protect the blood
The outermost layer of a blood vessel is the tunica intima?
No
What is a thin muscle vessel?
A vein. Arteries have additional muscular layers to withstand the higher pressures of blood leaving the heart, veins lack this layer due to low-pressure environments.
What are the three layers of an artery?
A thin inner layer, a muscular middle layer (that gives the vessel its flexibility under pressure from the filling blood), and a fiber-like outer layer that gives the vessel strength to not burst when the heart pumps blood to the body.
Which blood vessel has thick muscular walls and divide into smaller and smaller branches?
Vein
What outer layer of blood vessels is composed of connective tissue?
connectiveThe outer layer of a blood vessel (artery or vein) is called the tunica externa or tunica adventitia.See http://training.seer.cancer.gov/module_anatomy/unit7_3_cardvasc_blood1_classification.htmlpericardium is the layer of the blood vessel that is made of tough connective tissue.
What is the medical term meaning innermost layer of a blood vessel?
IntimaEndothelium
The innermost layer of a blood vessel is composed of?
The tunic intima is the innermost layer of a blood vessel. It has a slic surface that minimizes friction, allowing blood to move through the lumen.
What is the innermost layer of a blood vessel composed of endothelial cells?
Tunica interna
Which layer of blood vessel has squamous epithelium and connective tissue?
Tunica Intima
Smooth inner layer than surrounds the lumen of a blood vessel?
endothelium
