Ch. 6 Anatomic Terms in the Lymphatic System Flashcards Preview

Medical Terminology > Ch. 6 Anatomic Terms in the Lymphatic System > Flashcards

Flashcards in Ch. 6 Anatomic Terms in the Lymphatic System Deck (16):
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thymus

primary gland of the lymphatic system; located in the mediastinum; produces T-lymphocytes

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spleen

organ of the body that filters blood, removes cellular debris by phagocytosis and provides an environment for lymphocytes to initiate immune responses

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lymph

fluid circulated through the lymphatic system

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lymph capillaries

microscopic vessels that draw lymph from tissues to the lymph vessels

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lymph vessels

vessels that receive lymph from the lymph capillaries and circulate it to the lymph nodes

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lacteals

specialized lymph vessels in the small intestine that absorb fat into the bloodstream

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chyle

white or pale yellow substance in lymph that contains fat absorbed from the lacteals

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lymph nodes

small, oval structures that filter lymph from the lymph vessels

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lymph ducts

collecting channels that carry lymph from the lymph nodes to the veins

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right lymphatic duct

receives lymph from the upper right part of the body

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thoracic duct

receives lymph from the left side of the upper body and the lower extremities

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immunity

process of disease protection induced by exposure to an antigen

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antigen

a substance that, when introduced to the body, causes the formation of antibodies against it

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antibody

a substance produced by the body that destroys or inactivates an antigen in the body

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active immunity

a long-lasting immunity that results from stimulating the body to produce antibodies; developed naturally or artificially (vaccination)

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passive immunity

a short-lasting immunity that results from foreign antibodies that are conveyed either naturally (via placenta) or artificially (injection)

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