Vocab Flashcards

0
Q

Lymphatic vessels

A

Vessels that carry lymph to its eventual return to the circulatory system

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1
Q

Lymph

A

Fluid formed in the tissue spaces, that returns excess fluid & protein molecules to the blood

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2
Q

Interstitial fluid

A

Fluid located in the microscopic spaces between cells

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3
Q

Lymphatic capillaries

A

Any of the tiny, blind ended lymph collecting tubes distributed in the tissue spaces
-allow excess fluid and some other substances such as dissolved protien molecules to leave the tissue spaces

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4
Q

Right Lymphatic duct

A

Empties lymph into blood in the neck region

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5
Q

Thoracic duct

A

Largest lymphatic vessel in the body

  • does same as lymphatic duct
  • empties lymph in blood in neck region
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6
Q

Cisterna chyli

A

Serves as temporary holding area for lymph moving toward its point of entry into veins

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7
Q

Lacteals

A

Lymphatic capillaries in the wall of the small intestine

- transport fats to the bloodstream

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8
Q

Lymph nodes

A

Located in clusters along the pathway of lymphatic vessels

  • small as a pinhead or Lima bean
  • performs filtration of lymph on its way to the blood
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9
Q

Afferent lymphatic vessels

A

Deliver lymph to the node (to carry toward)

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10
Q

Efferent lymphatic vessels

A

Carey lymphatic fluid away from lymph node (carry away from)

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11
Q

Thymus

A

Endocrine gland located in the mediastinum

  • largest at puberty
  • source of lymphocytes before birth
  • important a during development
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12
Q

T lymphocytes or T cells

A

Produce cell mediated immunity

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13
Q

Thymosins

A

Influence the development of T cells

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14
Q

Palatine tonsils

A

Located on each side of the throat

-

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15
Q

Pharyngeal tonsils

A

Aka adenoids when the become swollen

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16
Q

Lingual tonsils

A

Near the base of the tongue

- serve as the first line of defense from the exterior & are subject to chronic infection

17
Q

Spleen

A

Largest lymphoid organ in the body

  • filters blood
  • destroys worn out red blood cells
  • salvages iron from hemoglobin
  • Serves as blood reservoir
18
Q

Splenectomy

A

Surgical removal of the spleen

19
Q

Anaphylactic shock

A

Shock resulting from severe allergic reaction

Could be fatal

20
Q

Nonspecific immunity aka innate immunity

A

Maintained by mechanisms that attack any abnormal substance that threatens internal environment
-aka general protection rather than Protection from one specific threat

21
Q

Inflammatory response

A

Nonspecific immune process produced in response to injury & resulting in redness, pain, heat, swelling & causing movement of wbc to the affected area

22
Q

Specific immunity aka adaptive immunity

A

Includes protective mechanisms that cover very specific protection against certain types of threatening microorganisms or other toxic materials
-involves memory and the ability to recognize & respond to harmful bacteria

23
Q

Immunization

A

Artificial exposure to disease to produce acquired immunity

24
Antibodies
Protien compound that destroys specific substances
25
Combining sites
Antigen binding site. | Shape of each combing site is complementary to the shape of a specific antigen
26
Humoral aka antibody mediated immunity
Immunity that is produced when antibodies make antigens unable to harm the body
27
Agglutinate
Stick together in clumps
28
Complement cascade
Chemical reactions involving proteins. - triggered by certain antibody antigen reactions - results in the formation of tiny protein rings that create holes in a foreign cell & thus cause it's destruction
29
Complement
Any of several inactive enzymes normally present in blood kills foreign cells
30
Macrophages
Phagocytic cells
31
Dendritic cell (DC)
Phagocytic cell
32
Monoclonal antibodies
Specific antibody produces from a population of identical cells
33
Hybridomas
Fused or hybrid cells that continue to produce the same antibodies as the original lymphocyte
34
B cells aka B lymphocyte
Lymphocyte Activated B cells develop into plasma cells Then secretes antibodies into blood
35
Plasma cells aka effector cells
Type of b lymphocyte | White blood cells that secretes huge amounts of antibody into the blood
36
Memory cell
Cell that remains in reserve in the lymph nodes until its ability to secrete antibodies is needed
37
Interferon
Small proteins produced by the immune system that inhibit virus multiplication
38
Cell mediated immunity
Resistance to disease organisms resulting from the actions of cells Sensitized T cells
39
HIV ( human immunodeficiency virus)
Causes aids
40
AIDS (acquired immunodeficiency syndrome)
Disease in which the HIV virus attacks the T cells thereby compromising the bodies immune system