Lymphatic System Flashcards

1
Q

Lymphatic flow patterns?

6

A
Capillaries (nodes are in the capillaries)
The collecting vessels 
Lymph trunks
Lymphatic ducts
Subclavian vein
Superior Vena Cava
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2
Q

Where is there no lymphatic drainage?

3

A

CNS
Bone marrow
Anywhere there is no vasculature(blood vessels)

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3
Q

Where does the thoracic duct supply lymph to?

A

Left and inferior portions of the body
The cisterna chyli collects from the lower portions of the body and flows into the thoracic duct
-left jugular vein
-left subclavian trunk
-thoracic duct entering left subclavian vein
-left bronchomediastinal trunk

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4
Q

Where does the right lymphatic duct supply lymph to?

A

Upper right portion of the body

  • right jugular trunk
  • right subclavian trunk
  • right lymphatic trunk entering the subclavian vein
  • right bronchomediastinal trunk
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5
Q

Lymph nodes in the head and neck?

9

A
Submental
Pre auricular 
Post auricular
Occipital
Supraclavilcular
infraclavicular
Anterior cervical
Posterior cervical
Deep cervical
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6
Q

Axillary lymph nodes?

5

A
Medial
Lateral
Anterior
Posterior
Axillary nodes
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7
Q

Inguinal lymph nodes?

2

A

Superficial and deep inguinal arteries

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8
Q

Abdominal and thoracic nodes?

A

They are in bundles along the vena cava and pulmonary hilum

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9
Q

What are peyer’s patches and where are they located?

A

located in the wall of the ileum of the small intestine

Contains microphages that capture and destroy bacteria thereby preventing microbes from breaching the intestinal wall

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10
Q

What are the main functions of the tonsils?

and what are the four kinds?

A

Gather and remove pathogens entering the pharynx

Types: palatine, lingual, pharyngeal, and tubal tonsils

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11
Q

Function of the thymus?

A

Secretes hormones that stimulate the development and cell differentiation of T cells.
Atrophies in adolescence

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12
Q

Major functions of the lymphatic system?

3

A

Fluid reabsorption
Fat transport from intestine
Purify blood

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13
Q

What is the difference between nodes and nodules?

A

Nodules don’t have a tough outer layer

Nodes have a tough outer layer and are found all over the body

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14
Q

Where does lymph from the lower body collect at?

A

Cisternae chyli

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15
Q

If you are taking out the medialstinal node where would you enter the body?

A

Go through the right side to miss all the great vessels

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16
Q

Where where do you have a higher chance of metastasis in lymph node cancer?

A

If its higher up in the cervical nodes you are less likely to have metastasis than in the lower cervical nodes

17
Q

Where does the right lymphatic duct empty into?

A

empties at the junction of the right internal jugular and right subclavian veins

18
Q

Where does the thoracic duct empty into?

A

Empties into the junction of the left internal jugular and left subclavian veins

19
Q

Describe the flow of lymph through a node

A

Afferent lymphatic vessels
Valve to prevent back flow
Hilum
Efferent lymphatic vessels

20
Q

Symptom of Lymphangitis

A

Red streak from the infected area to the armpit or groin

infection ascends though the lymphatics

21
Q

What are four signs of inflammation?

A

Rubor- redness
Tumor- swelling
Calor- warmth
Dolor- pain

22
Q

What is cellulitis?

A

Infection spreading through the tissues