Chapter 15 Flashcards
The hematologic system is the
Encompasses the production and transport of blood
Blood supplies body tissues with oxygen, nutrients, and various chemicals.
Blood also transports waste products to the appropriate waste system
Combining form for blood
Hem/o and hemat/o
Liquid portion of blood is called
Serum when the clotting factor is removed
Plasma when the clotting factors are present
Plasma does what
Straw-colored fluid portion of blood that transports nutrients, hormones, waste products
Erythrocytes
RBC
Mature red blood cells that carry oxygen
Leukocytes
White blood cells that fight disease
Thrombocytes
nucleated clotting cells
Platelets
anucleated clotting cells
Anemia
Blood condition of less-than-normal levels of red blood cells and / or hemoglobin
Edema
Accumulation of fluid in the intercellular space
Hemorrhage
Loss of blood, usually in a short time
Hemostasis
Controlling bleeding
Hyperemia
Excess blood in a part; engorgement
Hypophosphatemia
Lower than normal concentration of phosphates in the blood
Leukemia
Elevation in number of malignant white blood cells
Polycythemia
Condition of many cells; clinically means excessive erythrocytes
Lymphatic system functions as
functions as part of the immune system, returns excess lymph to blood, and absorbs fat and fat-soluble
vitamins.
Tonsils are
masses of lymphatic tissue that protect the nose
and upper throat
Combining form for tonsil
tonsill/o
combining form for spleen
splen/o
Spleen is
mass of lymphatic tissue in cranial abdomen that filters blood
The immune system function
Protect the body from harmful substances
Immun/o means
Protected
Antigen
substance the body regards as foreign