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2 Anatomy > Oro-facial Lymphatics > Flashcards

Oro-facial Lymphatics Flashcards

1
Q

The lymphatic system is a system of ? 4

A

Organs
Lymphatic vessels
Lymph nodes
Mucosa-associated lymphoid tissue

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2
Q

What organs are part of the lymphatic system? 3

A

Bone marrow
Spleen
Thymus

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3
Q

What is the thymus? 3

A

Only in children
Anterior mediastinum
Produces T-lymphocytes

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4
Q

What do lymph nodes do?

A

Screen lymphatic fluid for infection or cancer etc.

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5
Q

What is mucosa-associated lymphoid tissue MALT?

A

Lymphatic tissue located just below the mucosa

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6
Q

The lymphatic system is responsible for 3 things?

A

Removes tissue fluid to venous system
Carries fats from GI tract to venous system
Produces immune cells

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7
Q

Name this part of the capillary bed

A

Arteriole

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8
Q

Name this part of the capillary bed

A

Capillaries

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9
Q

Name this part of the capillary bed

A

Venule

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10
Q

Excess fluid left in the tissue is called?

A

Tissue fluid

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11
Q

Once tissue fluid is taken up by the lymphatic vessels it’s called?

A

Lymph

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12
Q

Name this structure of the lymphatic system

A

Lymphatic vessels

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13
Q

Name this structure of the lymphatic system

A

Lymph node

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14
Q

What is the major lymphatic vessel in the body?

A

Thoracic duct

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15
Q

The thoracic duct returns lymph to where?

A

Large veins in the neck

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16
Q

Name this duct

A

Right lymphatic duct

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17
Q

Name this duct

A

Thoracic duct

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18
Q

Where does the lymph drain from the big veins in the neck?

A

Venous angle

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19
Q

What is the venous angle?

A

Angle between internal jugular vein and subclavian vein

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20
Q

Cardiac output is approximately how many litres daily?

A

8000 L

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21
Q

Approximately how many litres of plasma is ultra filtered daily?

A

20 L

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22
Q

Approximately how many litres of tissue fluid is reabsorbed daily?

A

16-18L

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23
Q

Approximately how many litres of lymph is produced daily and returned to blood at venous angles?

A

2-4 L

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24
Q

Approximately how many ml of lymph is produced daily in the head and neck?

A

400ml

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25
What is elephantiasis
Severe edema of the lower limbs where significant excess tissue fluid collects in the lower limbs Lymphatic system doesn’t work properly
26
What are the regional lymph nodes?
Group of nodes which FIRST receive lymph from any given structure/area
27
Lymph is screened for infectious agents and cancer cells by what in the lymph nodes? 2
Lymphocytes and macrophages
28
What does the lymph node do against infection? 3
Produces Germinal centres Enlarges And Becomes painful due to capsule stretching
29
What is metastasis?
Spread of cancer from where is first formed to another part of the body
30
The lymph nodes of the head and neck are described in what 2 groups?
The superficial ring The deep cervical nodes
31
The superficial ring of regional lymph nodes drain what areas? 3
Face Scalp Superficial upper neck
32
What r these superficial lymph nodes called?
Occipital nodes
33
What r these superficial lymph nodes called?
Mastoid nodes
34
What r these superficial lymph nodes called?
Parotid nodes
35
What r these superficial lymph nodes called?
Buccal nodes
36
What r these superficial lymph nodes called?
Submental modes
37
What r these superficial lymph nodes called?
Submandibular nodes
38
What r these superficial lymph nodes called?
Superficial cervical nodes
39
What r these deep lymph nodes called?
Retro-pharyngeal nodes
40
What r these deep lymph nodes called?
Submental nodes
41
What r these deep lymph nodes called?
Submandibular nodes
42
What r these deep lymph nodes called?
Deep cervical nodes
43
Which nodes are the final common pathway from the head and neck?
Deep cervical nodes
44
Name this structure in the left venous angle
Deep cervical nodes
45
Name this structure in the left venous angle
Internal jugular vein
46
Name this structure in the left venous angle
Thoracic duct
47
Name this structure in the left venous angle
Subclavian vein
48
Name this structure in the right venous angle
Lymphatic duct
49
Which is this group of tonsils?
Palatine tonsils
50
Which is this group of tonsils?
Palate associated lymph tissue
51
Which is this group of tonsils?
Pharyngeal tonsil (Adenoid)
52
Which is this group of tonsils?
Tubal tonsil
53
Which is this group of tonsils?
Lingual tonsil Posterior 1/3 of tongue
54
This ring of lymphoid tissue is called what in a posterior view of the pharynx?
Waldeyer’s ring
55
Which group of tonsils is this?
Pharyngeal tonsil Adenoid
56
Which group of tonsils is this?
Tubal tonsil
57
Which group of tonsils is this?
Palate associated lymphoid tissue
58
Which group of tonsils is this?
Palatine tonsil
59
Which group of tonsils is this?
Lingual tonsil
60
What are the first line of defence against microorganisms that we are breathing in?
Tonsils
61
Which specific deep cervical lymph node drains lymph from the palatine tonsil?
Jugulo-digastric node
62
An enlarged jugulo-digastric node is a sign of what?
Tonsillitis
63
Lymph from tissues between the lower left and right canine drains to the ? Then ? Then?
The Submental lymph nodes first Submandibular nodes Deep cervical nodes
64
Lymph from tissues other than between the lower canines drains where first?
Submandibular nodes
65
The posterior 1/3 of the tongue drains where?
Bilaterally to superior deep cervical nodes
66
The tip of the tongue drains where?
Bi- laterally to Submental nodes
67
The sides of the tongue drain where?
Unilaterally to submandibular nodes
68
The middle of the tongue drains where?
Bilaterally to inferior deep cervical nodes
69
What r the differences between infected and cancerous lymph nodes? 5
Infected lymph nodes r Painful Soft Smooth Not fixed to adjacent structures Improve with antibiotics
70
Name this group of lymph nodes to be examined
Parotid
71
Name this group of lymph nodes to be examined
Mastoid
72
Name this group of lymph nodes to be examined
Occipital
73
Name this group of lymph nodes to be examined
Deep cervical
74
Name this group of lymph nodes to be examined
Superficial cervical nodes
75
Name this group of lymph nodes to be examined
Submandibular
76
Name this group of lymph nodes to be examined
Submental

2 Anatomy (7 decks)

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