LYMPHATIC SYSTEM Flashcards

1
Q

Functions of Lymphatic System

  1. Returns fluid that leaked from __________ back to the blood
A

vascular system

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2
Q

Functions of Lymphatic System

  1. Protects the body by removing _________ from the lymph
A

foreign material

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3
Q

Functions of Lymphatic System

  1. Immune ________
A

surveillance

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4
Q

Lymphatic System is consists of the following semi-independent parts

A
  1. Lymphatic vessels
  2. Lymphatic organs
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5
Q

LYMPH TRUNKS

A

(LIBSJu)

Lumbar
Intestinal
Bronchomediastinal
Subclavian
Jugular

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6
Q

Drains lower extremities and pelvis.

A

Lumbar

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7
Q

Drains abdominal region.

A

Intestinal

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8
Q

Drains thorax.

A

Bronchomediastinal

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9
Q

Drains upper extremities.

A

Subclavian

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10
Q

Drains head and neck.

A

Jugular

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11
Q

Thoracic duct originates from?

A

Cisterna chyli

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12
Q

Empties into left subclavian vein as it junction with the left internal jugular vein.

A

Thoracic duct

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13
Q

Empties the right subclavian vein as it with junction with the right internal jugular vein.

A

Right lymphatic duct

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14
Q

LYMPH TRANSPORT

A
  1. Skeletal muscle contraction
  2. Negative pressure in the thorax
  3. Valves
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15
Q

LYMPHATIC ORGANS

A
  1. Lymphocytes Aggregates
  2. Loose Connective Tissue
  3. Epithelial Cells
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16
Q

Loose, dense, nodular, follicles (Lymphatic Organs)

A

Lymphocytes Aggregates

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17
Q

Reticular (Lymphatic Organs)

A

Loose Connective Tissue

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18
Q

Located along lymphatic vessels.

A

Lymph Nodes

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19
Q

Macrophages that phagocytize bacteria.

A

Lymph Nodes

20
Q

Lymphocytes mounting immune response.

A

Lymph Nodes

21
Q

Filters the lymphs.

A

Lymph Nodes

22
Q

A flat, pinkish-gray, two lobed organ lying high in the chest anterior to the aorta and posterior to the sternum.

A

Thymus

23
Q

Thymus increases its size during?

A

Childhood

24
Q

Thymus characteristic feature?

A

Hassal’s / Thymic Corpuscles

25
Q

In the thymus, the lymphoid tissue is ________ in nodules.

A

Not arranged

26
Q

largest lymphatic organ

A

Spleen

27
Q

located at the left hypochondriac region

A

Spleen

28
Q

graveyard for senescent or aged RBC

A

Spleen

29
Q

Spleen filters the?

A

Blood

30
Q

produces lymphocytes and plasma cells

A

Spleen

31
Q

Capsule and contains lymphocytes, macrophages, RBC

A

Structure

32
Q

Contains abundant RBC and macrophages

A

Red pulp

33
Q

Contains lymphocytes

A

White pulp

34
Q

Several groups of tonsils forming a ring of lymphoid tissue, guard the entrance of the alimentary and respiratory tracts from invasion by microorganisms. This is called ________ ring.

A

Waldeyer’s ring

35
Q

Components of the Waldeyer’s ring

A

(PLN)

  1. Palatine tonsils
  2. Nasopharyngeal tonsil
  3. Lingual tonsils
36
Q

Develop as outpocketing of developing vein, from mesoderm.

A

Lymphatics

37
Q

Thymus gland develop from ______?

A

Endoderm

38
Q

The rest of the lymphoid organs develop from _______?

A

Mesoderm

39
Q

defense of the body against disease causing agents (like transplant, transfusion, autoimmune, allergies, aids)

specific or non specific

A

Immunity

40
Q

block the entry or spread of the disease

A

non specific response

41
Q

very specific

tailored to individual treat

antibody mediated (B cells) and cells mediated (T cels)

A

specific response

42
Q

Present at birth

Non specific

Does not become efficient upon the second exposure to same organism

skin, mucous membrane, phagocytes, natural killer cell, inflammatory response, interferon, complement, fever

A

Innate Immunity (Non Specific Immune Response)

43
Q

Following certain infection

Antigen and antibody reaction

B lymphocytes humoral /antibody mediated immunity

T lymphocyte cell mediated immunity

A

Acquired (Adaptive/Specific Immune Response)

44
Q

attacks infected cells, virus, cancer cells, foreign body

A

Cytotoxic T cell

45
Q

terminate normal immune response

A

Suppressor T cell

46
Q

Involved in humoral immunity
1. Primary immune response
2. Secondary immune response

A

B Cell