This applies especially to third-person personal pronouns, and to relative pronouns. For example, in the sentence That poor man looks as if he needs a new coat, the antecedent of the pronoun he is the noun phrase that poor man. The adjective associated with pronoun is pronominal. A pronominal is also a word or phrase that acts as a pronoun. For example, in That's not the one I wanted, the phrase the one (containing the prop-word one) is a pronominal.
Neither plasma or serum contain red or while blood cells or platelets, but they contain all the other substances, except for the fibrinogen, which is not present in the serum.erum differs from plasma in that it does not contain the clotting factor known as fibrinogen. Improper handling or extraction of a blood sample may lead to a discoloration of blood plasma and serum. Plasma is the fluid portion of blood.
Blood contains several components, including red blood cells, platelets, white blood cells and plasma. During platelet or plasma donation, your blood is collected and then separated into its components by a machine; the machine keeps the platelets or plasma and returns the rest to you.