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Medical Terminology

Lymphatic and Immune.

Lymphatic and Immune flashcards. Flip a card. Mark what you know. Come back tomorrow.

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Showing 17 of 17 flashcards

Lymph

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A body fluid that moves through lymphatic vessels and empties into large veins.

Lymphatic and Immune

Erythrocyte

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Red blood cell. Erythr- = red, -cyte = cell.

Lymphatic and Immune

Leucocyte (leukocyte)

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White blood cell. Leuko- = white, -cyte = cell.

Lymphatic and Immune

Thrombocyte

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Platelet. Thrombo- = clot, -cyte = cell.

Lymphatic and Immune

Plasma

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The fluid portion of blood containing proteins, hormones, nutrients, and waste.

Lymphatic and Immune

Antigen

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A substance on the surface of red blood cells that determines blood group.

Lymphatic and Immune

Antibody

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A protein in plasma that reacts against foreign antigens.

Lymphatic and Immune

Rhesus (Rh) factor

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Antigens on the surface of some individuals' red blood cells. Rh-positive means the factor is present; Rh-negative means it is absent.

Lymphatic and Immune

Primary lymphoid organs

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Bone marrow and thymus. Where lymphocytes mature.

Lymphatic and Immune

Secondary lymphoid organs

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Lymph nodes, spleen, tonsils, and lymphoid tissues in mucous membranes.

Lymphatic and Immune

T lymphocyte

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A type of lymphocyte produced in the bone marrow that matures in the thymus.

Lymphatic and Immune

B lymphocyte

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A type of lymphocyte produced in and maturing primarily in the bone marrow.

Lymphatic and Immune

Barrier defense

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Physical barriers (skin, mucous membranes) that prevent pathogens from entering body tissues.

Lymphatic and Immune

Phagocyte

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Immune cells that engulf pathogens. Includes dendritic cells, neutrophils, eosinophils, macrophages, and monocytes.

Lymphatic and Immune

Natural killer (NK) cells

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Immune cells that look like lymphocytes. Their granules contain chemicals that destroy virally infected cells.

Lymphatic and Immune

Plasma cell

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Immune cells formed from B lymphocytes that secrete antibodies.

Lymphatic and Immune

Cytokines

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Chemical messengers released by T lymphocytes to coordinate immune responses.

Lymphatic and Immune

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