Chp13 - The Blood

pluripotent

multi potential. Used in the context of stem cells (undifferentiated mesenchymal cells)

Prothrombin

plasma protein produced by the liver that is involved in blood clotting

Fibrinogen

Plasma protein

thrombus

blood clot

thrombosis

unwanted clotting. Clotting in an unbroken blood vessel

embolus

a circulating blood clot

infarction

tissue killed as a result of loos blood supply

embolism

embolus that becomes lodged in a vessel and cuts off circulation

Leukocytes

combat inflammation and infection

Neutrophils

most common leukocytes; they secrete lysozyme

Monocytes

phagocytize bacteria and any dead cells or cellular debris. After they leave the blood and enter tissues, they increase in size and are called macrophages

Eosinophils

combat irritants, such as pollen or cat hair, that cause allergies. They produce antihistamines

Basophils

heparin (an anticoagulant), histamine (an inflammatory substance), and serotonin (a vasoconstrictor) into tissues.

Lymphocytes

production of antibodies and play a crucial role in the body’s immune response. They are the smallest of the leukocytes. Two types: B lymphocytes and T lymphocytes

Thrombocytes (platelets)

They prevent fluid loss when blood vessels are damaged by initiating a chain of reactions that result in blood clotting.

erythrocytes

combine with oxygen in the lungs and to transport it to the various tissues of the body. It then combines with carbon dioxide in tissues and transports it to the lungs for expulsion from the body.

globin

protein in hemoglobin

heme

pigment in hemoglobin