LT 1 & 2

red blood cells (erythrocytes)

carry oxygenated blood and carbon dioxide

oxyhemoglobin

brighter red, when oxygen is bound to hemoglobin

deoxyhemoglobin

darker red, carrying carbon dioxide and less oxygen

anemia

low number of functional red blood cells

sickle cell anemia

normal, round RBC’s change into crescent-shaped cells, which can get stuck in blood vessels - preventing oxygen flow

white blood cells

leukocytes - cells in blood that fight off disease and foregin particles

leukopenia

shortage of white blood cells

leukocytosis

over abundance of white blood cells due to infection

leukemia

blood cancer - abnormal increase of immature WBC’s

lymphoma

blood cancer that develops in lymph system

platelets

thrombocytes - aid in blood clotting (coagulation)

thrombus

an abnormal clot in a vessel

embolus

a dislodged, floating abnormal blood clot

thrombocytopenia

low number of platelets in the blood

hemophilia

deficiency of certain proteins in plasma that aid coagulating

sepsis

an infection somewhere in the body and has spread to the blood

antigens

any molecule that triggers an immune response which is the body’s reaction to invasion by a foregin substance

antibodies

protein that cells produce in response to a nonself antigen that will react with the antigen

agglutination

the clumping of RBC due to the presence of certain antigens

type a blood

contains antigen A

type b blood

contains antigen B

type AB blood

contains antigens A & B

type O blood

no antigens

o-

universal donor

AB+

universal acceptor

type A

receives blood from A or O

type B

receive blood from B or O

Type AB

receives A, B, AB , O

type O

receives O only