lymphocytes that mature in the bone marrow before moving out to the blood and the rest of the body; also called B cells

cells that form the walls of lymphatic capillaries; their overlapping structure helps fluid enter the lymphatic capillaries and makes it hard for the fluid to leave

fluid in the spaces between cells

two masses of lymphatic tissue that lie on either side of the base of the tongue

clear, transparent, sometimes faintly yellow fluid that is collected from tissues throughout the body and flows in the lymphatic vessels

small, bean-shaped structures found along the lymphatic vessels throughout the body

small, localized clusters of dense tissue formed by lymphocytes and macrophages

large lymphatic vessels that drain lymph from different parts of the body

tissue flaps that act as one-way valves inside the lymphatic vessels

white blood cells that are abundant in lymphatic tissue

cells that phagocytize (surround and destroy) foreign cells, such as bacteria and viruses

Mucosa-associated lymphoid tissue (MALT)

lymphatic tissue found in mucous membranes that line passageways open to the outside world; these include the respiratory, gastrointestinal, urinary, and reproductive tracts

Natural Killer (NK) Cells

lymphocytes that play an important role in the nonspecific defense system of the body by killing virus-infected cells and cancer cells

two masses of lymphatic tissue that lie in the back of the mouth, on the left and right sides; the largest and most commonly infected tonsils

lymphatic tissue that lies at the back of the nasopharynx, the part of the throat above the palate, and opens into the nasal cavity; commonly called the adenoid

the largest lymphatic organ in the body, located in the abdomen below the diaphragm; filters blood and activates an immune response if necessary

lymphocytes that complete their maturation in the thymus before they move out to the blood and the rest of the body; also called T cells

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12.1 Anatomy Vocab

Term	Definition
B lymphocytes	lymphocytes that mature in the bone marrow before moving out to the blood and the rest of the body; also called B cells
endothelial cells	cells that form the walls of lymphatic capillaries; their overlapping structure helps fluid enter the lymphatic capillaries and makes it hard for the fluid to leave
interstitial fluid	fluid in the spaces between cells
lingual tonsils	two masses of lymphatic tissue that lie on either side of the base of the tongue
lymph	clear, transparent, sometimes faintly yellow fluid that is collected from tissues throughout the body and flows in the lymphatic vessels
lymph nodes	small, bean-shaped structures found along the lymphatic vessels throughout the body
lymphatic nodules	small, localized clusters of dense tissue formed by lymphocytes and macrophages
Lymphatic Trunks	large lymphatic vessels that drain lymph from different parts of the body
lymphatic valves	tissue flaps that act as one-way valves inside the lymphatic vessels
lymphatic vessels	vessels that carry lymph
Lymphocytes	white blood cells that are abundant in lymphatic tissue
Macrophages	cells that phagocytize (surround and destroy) foreign cells, such as bacteria and viruses
Mucosa-associated lymphoid tissue (MALT)	lymphatic tissue found in mucous membranes that line passageways open to the outside world; these include the respiratory, gastrointestinal, urinary, and reproductive tracts
Natural Killer (NK) Cells	lymphocytes that play an important role in the nonspecific defense system of the body by killing virus-infected cells and cancer cells
palatine tonsils	two masses of lymphatic tissue that lie in the back of the mouth, on the left and right sides; the largest and most commonly infected tonsils
Pathogens	disease causing agents
pharyngeal tonsils	lymphatic tissue that lies at the back of the nasopharynx, the part of the throat above the palate, and opens into the nasal cavity; commonly called the adenoid
spleen	the largest lymphatic organ in the body, located in the abdomen below the diaphragm; filters blood and activates an immune response if necessary
T lymphocytes	lymphocytes that complete their maturation in the thymus before they move out to the blood and the rest of the body; also called T cells

Created by: espindan1

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