PATHOLOGY MCQ
BLOOD VESSELS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Continuous Capillaries
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Fenestrated Capillaries
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Sinusoid Capillaries
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None of the above
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Detailed explanation-1: -This produces large clefts or spaces between the two layers of cells, that allows proteins, or even blood cells to pass through. Sinusoids are a special type of capillary that have a wide diameter. These are found in the liver, spleen, lymph nodes, bone marrow and some endocrine glands.
Detailed explanation-2: -Sinusoid capillaries allow for the exchange of large molecules, even cells. They’re able to do this because they have many larger gaps in their capillary wall, in addition to pores and small gaps. The surrounding basement membrane is also incomplete with openings in many places.
Detailed explanation-3: -A third type of capillaries, sinusoidal capillaries, is discontinuous. These capillaries have even larger gaps and pores. Sinusoidal capillaries are in your liver, spleen, lymph nodes, bone marrow and endocrine glands.