Medical Terminology Lecture 6, Part 1 (Blood, Lymphatic System, Immunology)

Lecture 6 - Part 1 Medical Terminology DPY 121 Blood, Lymphatic System & Immunology Learning objectives After reading the Lecture, you should be able to: - Define the word parts used to create medical terms for blood, the lymphatic system and the immunology. - Break down and de...

Lecture 6 - Part 1 Medical Terminology DPY 121 Blood, Lymphatic System & Immunology Learning objectives After reading the Lecture, you should be able to: - Define the word parts used to create medical terms for blood, the lymphatic system and the immunology. - Break down and define common medical terms used for symptoms, diseases, disorders, procedures, treatments, and devices associated with blood, the lymphatic system and the immunology. - Build medical terms from the word parts associated with blood, the lymphatic system and the immunology. - Pronounce and spell common medical terms associated with blood, the lymphatic system and the immunology. Blood is composed of plasma and blood cells transports oxygen and nutrients to the body tissues returns waste products to the kidney is part of the immune Word Roots Word Root / Combining Meaning Vowel hem/o | hemat/o blood erythr/o red leuk/o white thromb/o clot cyt/o cell lipid fat immun/o immunity Word Roots Word Root / Combining Vowel Meaning lymph/o lymph aden/o lymph node or gland tonsill/o tonsil path/o disease thromb/o clot tox/o poison Suffix Meaning condition in the blood -emia (em + -ia [em alone is not a word (condition)) root]  thrombocyt es - platelets erythrocyt es-red blood cells (RBC) leukocytes plasma - watery - white fluid that contains blood cells nutrients, waste products, and (WBC) hormones lipid – fat The Lymphatic System The lymphatic system helps to: – remove waste products from fluid between the cells – destroy harmful substances (e.g. pathogens and cancer cells) in the lymph nodes and returns filtered lymph to the bloodstream  Word Roots angi, vascul, vas – vessel, blood vessel lymphade n – lymph node / gland Signs and Symptoms hemorrhage – bleeding leukopenia –deficiency of white blood cells Polycythemia – condition of blood having a high number of erythrocytes The role of platelets (thrombocytes) in wound healing thrombocytosis thrombocytopeni – condition of abnormal increase in a – deficiency of platelets platelets Diseases and Disorders anemia – deficiency of red blood cells  Hematoma : a mass of blood (usually clotted) outside blood vessels (When it is visible through the skin it is called a bruise) leukemia – a type of cancer characterized by leukopenia – an abnormal increase in deficiency of white WBC blood cells septicemia – condition of an infection in the blood thrombosis – condition of a clot (in a blood vessel) embolism – blockage of a blood vessel by a tissue or clot or air bubble etc. hyperlipidemia – condition of blood having high level of fat (cholesterol) lymphadenopathy – disease of the lymph node lymphedema – swelling of the tissue due to abnormal accumulation of lymph fluid  Immunodeficien cy : a condition resulting from a defective immune response due to a low number of lymphocytes  Treatments and Procedures vital signs : the four key indicators that the body systems are functioning [temperature, pulse, respiration, blood pressure]  Treatments and Procedures Phlebotomy : insert a needle into a vein (e.g. to take a blood sample for analysis) Complete blood count (CBC): a common laboratory test that evaluates a sample of blood to provide information about a patient’s health status  Immunization : a treatment that helps build immunity against a particular disease  Tonsillectomy : surgical removal of the tonsils  Medical specialties and specialists Hematology : the science/study of diseases of the blood Immunology : the science/study of immunity and allergy Hematologist – physician specialized in diagnosing and treating diseases of the blood  Immunologist : a physician specialized in diagnosing and treating diseases of immunity and allergy References ∙ Wingerd, B. (2019) Medical Terminology Complete! Harlow:Pearson ∙ Ehrlich, A & Schroeder, C. (2017) Medical Terminology for Health Professions, 8th edition. Cengage Learning ∙ Davi–Ellen Chabner, Medical Terminology (2018). A short Course, 8th edition. Elsevier.  Exercises 1) The term leukemia means an increased number of red blood cells. True False 2) The term thrombocytosis means an abnormally high level of platelets in the blood. True False  Exercises 3) The term discharge of blood (quickly and in large amounts) is a) rhinorrhea b) menorrhagia c) hemorrhage 4) Polycythemia is the condition blood having an increased number of a) white blood cells b) red blood cells c) platelets