Platelets Definition Anatomy

They originate in the bone marrow as pinched off pieces of larger cells. Plātlet the smallest of the formed elements in blood a disk shaped non nucleated blood element with a fragile membrane formed in the red bone marrow by fragmentation of megakaryocytes.

Platelet Definition Of Platelet By Medical Dictionary

Although much more numerous 150000 to 400000 per cubic millimetre than the white cells they occupy a much smaller fraction of the volume of the blood because of their relatively minute size.

Platelets definition anatomy. Platelets are important for the blood clotting process making them essential for wound healing. Platelets contain no nuclei and are formed in the bone marrow from precursor cells called megakaryocytes. The primary function of platelets is to aid in the blood clotting process.

Platelet structure and distribution. An irregular disc shaped element in the blood that assists in blood clotting. Other major blood components include plasma white blood cells and red blood cells.

Plātlĭt any of the numerous small round cell fragments found in the blood of mammals that function in the clotting of blood. Blood is prevented from clotting in the blood vessels by their smoothness and the. When activated these cells adhere to one another to block the flow of blood from damaged blood vessels.

Abciximab a glycoprotein iibiiia receptor antagonist is a platelet aggregation inhibitor mainly used during and after coronary artery procedures like angioplasty to prevent platelets from sticking together and causing thrombus blood clot formation within the coronary artery. Platelets are tiny cell fragments that are found within our blood. Platelets also called thrombocytes from greek θρόμβος clot and κύτος cell are a component of blood whose function along with the coagulation factors is to react to bleeding from blood vessel injury by clumping thereby initiating a blood clot.

Although platelets are often classed as blood cells they are actually fragments of large bone marrow cells called megakaryocytes. Medical definition of platelet. Platelets tend to adhere to uneven or damaged surfaces and there are an average of about 250000 per mm3 of blood.

During normal blood clotting the platelets clump together aggregate. They originate in the bone marrow as pinched off pieces. Platelets also called thrombocytes are membrane bound cell fragments derived from the fragmentation of larger precursor cells called megakaryocytes which are derived from stem cells in the bone marrow.

Platelets thrombocytes the blood platelets are the smallest cells of the blood averaging about 2 to 4 μm in diameter. Platelets smaller cells that help blood to clot blood is conducted through blood vessels arteries and veins. Platelets also called thrombocytes are the smallest cell type in the blood.

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