The result when platelets encounter damage in a blood vessel. Concept introduction: Blood is a connective tissue which flows from the heart through arteries and veins to all body parts. Blood consists of two components: formed elements and plasma. Erythrocytes, leukocytes, and platelets are the formed elements of blood. Platelets, which are also called as thrombocytes, are the membrane-bound cell fragments. They are irregular shaped, enclosed by membrane, and have diameter about 2µm. They do not have a nucleus, so they are not considered as true cells.

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Chapter 18.4, Problem 23LO

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To describe: The result when platelets encounter damage in a blood vessel.

Concept introduction: Blood is a connective tissue which flows from the heart through arteries and veins to all body parts. Blood consists of two components: formed elements and plasma. Erythrocytes, leukocytes, and platelets are the formed elements of blood. Platelets, which are also called as thrombocytes, are the membrane-bound cell fragments. They are irregular shaped, enclosed by membrane, and have diameter about 2µm. They do not have a nucleus, so they are not considered as true cells.

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