HISTOLOGY
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the space inside of a blood vessel called? (this space is normally filled with blood)
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Artery
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Lumen
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Gap
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Loomen
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Explanation:
Detailed explanation-1: -venules, 5. veins. The word lumen is used to describe an internal space within an organ. As it applies to blood vessels, the lumen is the space inside a blood vessel where blood flows through the vessel.
Detailed explanation-2: -The lumen contains plasma and blood cells, called hemocytes (Haag et al. 1999).
Detailed explanation-3: -The internal lining of blood vessels is called the endothelium, which is the thin layer of simple squamous cells, that lines the interior surface of blood vessels and lymphatic vessels. The cells that form the endothelium are called endothelial cells.
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