Unit 8 - Blood, Lymphatic and Immune System Key Terms Flashcards Preview

2020-2021 Medical Terminology > Unit 8 - Blood, Lymphatic and Immune System Key Terms > Flashcards

Flashcards in Unit 8 - Blood, Lymphatic and Immune System Key Terms Deck (22)
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1

erythrocyte

red blood cell

2

hematopoiesis

blood formation

3

leukocyte

white blood cell

4

plasma

liquid portin of blood containing 90% water

5

platelets

cells responsible for the coagulation of blood, also called thrombocytes

6

hemoglobin

iron containing pigment of red blood cells

7

pathogens

disease-bearing organisms

8

hematoma

swelling or mass of blood caused by break in vessel in organ or tissue, also called a bruise

9

erythrocytosis

too many red cells

10

hemolytic anemia

anemia that develops as a result of excessive loss of erythrocytes

11

lymph

clear, transparent colorless fluid found in lymphatic vessels

12

lymph nodes

small organs in lymphatic system that filter bacteria and other foreign organisms from body fluids

13

spleen

organ that filters microorganisms and old red blood cells from blood

14

thymus gland

endocrine gland that assists body with immune function and development of antibodies

15

tonsils

collection of lymphatic tissue located in the pharynx to combat microorganisms entering the body through the nose or mouth

16

lymphatic vessels

extensive network of vessels that conduct lymph from tissue toward thoracic cavity

17

lymph glands

small organs composed of lymphatic tissue located along the lymphatic vessels

18

T cells

lymphocytes active in cellular immunity

19

passive acquired immunity

immunity that results when a person receives protective substances produced by human or animal

20

active acquired immunity

immunity developing after direct exposure to a pathogen

21

antibody

protein material produced in body as a response to invasion of foreign substance

22

nosocomial infection

infection acquired as a result of hospital exposure