I'm not going to get into the nitty-gritty specifics of the explanation, but I can say that yes, saliva does contain some of the blood clotting factors found in normal blood plasma.
Yes, whole blood contains clotting factors such as fibrinogen, prothrombin, and platelets that help initiate the blood clotting process.
Mosquitoes are equipped with specialized mouthparts to prevent blood clotting while feeding. Their saliva contains anticoagulants that help maintain blood flow during feeding, regardless of the blood type. This enables them to efficiently ingest blood from various hosts without the risk of clotting.
no but there saliva carries toxins that stop the blood from clotting
Hirudin is a powerful anticoagulant that is secreted in leech saliva. It prevents blood clotting by inhibiting the enzyme thrombin, which is essential for the clotting process. This allows leeches to feed on blood more easily by keeping the blood flowing at the feeding site.
The chief plasma component to the clotting of blood is the platelet. The additional components include blood clotting factors.
blood serum is blood plasma without the fibrinogen or blood clotting factors
Platelets are important for blood clotting. Along with these platelets there are various blood clotting factors which helps to clot the blood.
Leeches have enzymes in their saliva that do the opposite of promoting healing. They contain enzymes that keep blood from clotting.
No, white blood cells do not initiate the clotting process. Clotting is primarily initiated by platelets and clotting factors in the blood. White blood cells play a role in the immune response to infection and inflammation.
The mosquito has an anticoagulant in its saliva that prevents blood from clotting so that it can finish its meal without interruption.
Plasma has clotting factors in it and serum does not.
Calcium is the mineral necessary for chemical clotting. It plays a crucial role in the blood clotting process by enabling the activation of various clotting factors and facilitating the formation of a stable blood clot.