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Lymphatic System > Vocab > Flashcards

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
Q

Antibodies

A

Protien compound that destroys specific substances

25
Q

Combining sites

A

Antigen binding site.

Shape of each combing site is complementary to the shape of a specific antigen

26
Q

Humoral aka antibody mediated immunity

A

Immunity that is produced when antibodies make antigens unable to harm the body

27
Q

Agglutinate

A

Stick together in clumps

28
Q

Complement cascade

A

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
Q

Complement

A

Any of several inactive enzymes normally present in blood kills foreign cells

30
Q

Macrophages

A

Phagocytic cells

31
Q

Dendritic cell (DC)

A

Phagocytic cell

32
Q

Monoclonal antibodies

A

Specific antibody produces from a population of identical cells

33
Q

Hybridomas

A

Fused or hybrid cells that continue to produce the same antibodies as the original lymphocyte

34
Q

B cells aka B lymphocyte

A

Lymphocyte
Activated B cells develop into plasma cells
Then secretes antibodies into blood

35
Q

Plasma cells aka effector cells

A

Type of b lymphocyte

White blood cells that secretes huge amounts of antibody into the blood

36
Q

Memory cell

A

Cell that remains in reserve in the lymph nodes until its ability to secrete antibodies is needed

37
Q

Interferon

A

Small proteins produced by the immune system that inhibit virus multiplication

38
Q

Cell mediated immunity

A

Resistance to disease organisms resulting from the actions of cells
Sensitized T cells

39
Q

HIV ( human immunodeficiency virus)

A

Causes aids

40
Q

AIDS (acquired immunodeficiency syndrome)

A

Disease in which the HIV virus attacks the T cells thereby compromising the bodies immune system

Lymphatic System (1 decks)

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