1. Ch 6: The Lymphatic and Immune System

2. Functions of the Lymphatic and Immune Systems  Lymph Fluid and Vessels (lymph/o): Returns cellular waste and tissue fluid to the circulatory system  Lymph Nodes (lymph/o, adeno/o): Produces lymphocytes and filters harmful substances from lymph  Tonsils and Adnoids (tonsill/o, adenoid/o): Protects the entry into the respiratory system

5. Continued  Spleen (spleen/o): Filters foreign materials from the blood, stores red blood cells, and destroys worn out blood cells  Bone Marrow (myel/o): Produces blood cells  Lymphocytes (lymph/o, cyte): Plays an important role in immune reactions  Immune System (immun/o): Defends the body against harmful substances such as allergens, toxins, and malignant cells

7. Medical Specialties:  Allergist: Specializes in diagnosing and treating conditions of altered immunologic allergic reactions  Hematologist: Specializes in diagnosing and treating diseases and disorders of the blood  Immunologist: Specializes in the study, diagnosis, and treatment of the immune system  Oncologist: A specialist in diagnosing and treating malignant disorders such as tumors and cancer.

8. Ch 6 Terms  blast/o immature or embryonic  immun/o immune, protection, safe  onc/o tumor  sarc/o flesh, connective tissue  splen/o spleen  -lytic to reduce, destroy  -oma tumor, neoplasm  -plasm formative material of cells  -tic pertaining to  neo- new, strange

9. Words  Blastocyte> inner cell mass that forms the embryo  Immunodeficiency disorder> a condition that occurs when one or more parts of the immune system are deficient of missing  Sarcoma> a malignant tumor arising from connective tissue  Splenorrhagia> bleeding from the spleen  Hemolytic> removes and destroys worn-out blood cells  Neoplasm> a new and abnormal formation that may benign or malignant AKA: tumor  Lymphatic vessels> carries lymph (removes waste)