See Also: Hayem's haematoblast(medicine)
Haematoblast(medicine)
Hayem's solution(medicine)
Hayem, Georges(medicine)
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medicine(2)(dictionary)
medicine man(encyclopedia)

Hayem's haematoblast (medicine)


Hayem's haematoblast -->
platelet
<haematology> A discoid cell (3m diameter) found in large numbers in blood, important for blood coagulation and for haemostasis by repairing breaches (small breaks) in the walls of blood vessels.

Platelet _ granules contain lysosomal enzymes, dense granules contain ADP (a potent platelet aggregating factor) and serotonin (a vasoactive amine). They also release platelet-derived growth factor which presumably contributes to later repair processes by stimulating fibroblast proliferation.

Synonym: thrombocytes.