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5 Cards in this Set
- Front
- Back
What are the three types of Capillary? |
Continuous Fenestrated Sinusoidal |
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What are the features of a Continuous capillary? |
Endothelial cells provide uninterrupted lining. Only allow smaller molecules such as water and ions to diffuse through tight junctions |
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What are the two types of tight junctions? |
1. Those with numerous transport vesicles - primarily found in skeletal muscles, finger, skin. 2. Those with few vesicles are primarily found in CNS. These are involved in blood brain barrier. |
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What are the features of Fenestrated capillaries? |
Pores in endothelial cells. Allow small molecules and limited amounts of protein to diffuse. Located in glands, intestines, pancreas and kidney glomeruli. |
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What are the features of a Sinusoidal capillary? |
Contains large openings Allow RBC and WBC and serum proteins to pass. Mainly located in bone marrow, lymph nodes and adrenal gland. |