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VANA 101 > THE LYMPHATIC SYSTEM > Flashcards

THE LYMPHATIC SYSTEM Flashcards

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1
Q

What system in the body is the lymphatic system similar to in form and function?

A

The venous system

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2
Q

What type of fluid does the lymphatic system return to the circulatory system?

A

Lymph

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3
Q

What function does the lymphatic system perform to help remove particulate matter?

A

Filters the lymph

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4
Q

What does the lymphatic system produce to help fight infections?

A

Antibodies

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5
Q

What structures are part of the cellular component of the lymphatic system?

A

Lymphatic tissue and lymph nodes

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6
Q

What structures are part of the vascular component of the lymphatic system?

A

Lymph vessels and lymph duct system

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7
Q

What does the lymphatic system return to the circulatory system?

A

Excess tissue fluids

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8
Q

What does the lymphatic system filter from the lymph?

A

Debris and bacteria

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9
Q

What is lymph part of?

A

Fluid transudated from the capillary bed

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10
Q

Where does excess tissue fluid enter?

A

Lymphatic capillaries

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11
Q

What are the two components of lymph?

A

Fluid and corpuscular cells

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12
Q

Name the cellular components of lymph.

A

Erythrocytes, white blood cells, numerous lymphocytes

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13
Q

What process causes blood to enter capillaries at high pressure and leave at low pressure?

A

Formation of lymph

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14
Q

Where does tissue fluid go after leaving blood capillaries?

A

Lymphatic vessels

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15
Q

What pushes lymph along lymphatic vessels?

A

Muscle contraction

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16
Q

What prevents lymph from flowing backwards?

A

Valves

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17
Q

Where does lymph flow through before rejoining the blood circulation?

A

At least one lymph node

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18
Q

Is lymph flow mainly active or passive?

A

Passive

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19
Q

Name features that assist lymph flow.

A

Contraction of muscles, respiratory movements, arterial pulsation, valves

20
Q

Does lymph composition vary by body region?

A

Yes

21
Q

Name the type of cells in renal hilar lymph.

A

Lymphoid cells

22
Q

What do lymph capillaries in the intestine absorb?

A

Emulsified fat

23
Q

What do lymph vessels of the liver carry?

A

Proteinized lymph

24
Q

What is chyle?

A

Fluid with emulsified fat in the lymphatic system

25
Q

What is the appearance of chyle?

A

Milky

26
Q

Name the components of the lymphatic system.

A

Lymph capillaries, lymph vessels, lymph nodes, lymph ducts

27
Q

In which class of vertebrates is lymphoid tissue most developed?

A

Mammals

28
Q

Where are lymphocyte accumulations found under normal conditions?

A

Lamina propria of mucous membranes

29
Q

What changes primary lymph nodules into secondary nodules?

A

Exposure to foreign substances

30
Q

Name two types of secondary lymph nodules.

A

Solitary, aggregated (Peyer’s patches)

31
Q

What do the sinuses of hemal nodes contain?

A

Blood

32
Q

What are the functions of lymph nodes?

A

Filter lymph, source of immune cells (lymphocytes)

33
Q

How do lymph ducts form?

A

From the convergence of lymphatic vessels

34
Q

Name different lymph ducts in the body.

A

Lumbar duct, cisterna chyli, common lymphatic duct, thoracic duct, right lymphatic duct, tracheal ducts

35
Q

Where are the parotid lymph nodes located?

A

Rostral base of the ear

36
Q

Where are the mandibular lymph nodes located?

A

Ventral to the angle of the mandible

37
Q

Where are the axillary lymph nodes located?

A

Thoracic limb

38
Q

Where are the cranial sternal lymph nodes located?

A

Sternum

39
Q

Where are the lumbar aortic lymph nodes located?

A

Lumbar vertebrae

40
Q

Where is the medial iliac lymph node located?

A

Pelvic region

41
Q

Where are the hepatic lymph nodes located?

A

Liver

42
Q

Where are the gastric lymph nodes located?

A

Stomach

43
Q

Where is the superficial popliteal lymph node located?

A

Pelvic limb

44
Q

Where is the distal femoral lymph node located?

A

Medial side of the stifle joint

45
Q

Name three functions of the spleen.

A

Stores erythrocytes, filters blood, produces lymphocytes

46
Q

Where is the thymus located?

A

Beneath the sternum, above the trachea and heart

VANA 101 (34 decks)

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