1. Actin and myosin (cell contracts, empties vesicles) 2. Mitochondria 3. Remnants of the ER (CA2+ storage) 4. COX1 (thromboxane A2) 5. Fibrin stabilizing factor (clot stability) 6. Platelet derived growth factors (repair) 7. Serotonin (5-HT)

Phys 9 Flashcards by Maren Osterholt

What organ produces TPO?

the liver (a little kidney action too)

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Platelets contain…

Actin and myosin (cell contracts, empties vesicles)
Mitochondria
Remnants of the ER (CA2+ storage)
COX1 (thromboxane A2)
Fibrin stabilizing factor (clot stability)
Platelet derived growth factors (repair)
Serotonin (5-HT)

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Platelet Cell membranes express…

Glycoproteins
Phospholipids
Receptors for collagen

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What is the role of platelet derived growth factor?

-stimulate fibroblast to grow in the area, and they differentiate into smooth muscle

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Where does tissue plasminogen activator come from?

released by damaged tissue

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Phys 9 Flashcards

(5 cards)