Lymphatic System Flashcards

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1
Q

What is lymph?

A

Colorless watery fluid flowing through your lymphatic system

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2
Q

What does lymph do?

A

Carries nutrients and proteins to your cells and tissues.

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3
Q

What are the two main functions of the lymphatic system?

A
  • Return excess tissue fluid to the blood
  • Defend against harmful organisms and chemicals
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4
Q

Give examples of organs in the lymphatic system.

A
  • Tonsils
  • Spleen
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5
Q

What are the two types of defense in immunity?

A
  • Nonspecific
  • Specific
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6
Q

Compare Intra-, Inter-, and Extracellular fluid.

A

Intra-: fluid inside cells.
Inter-: fluid between cells.
Extra-: fluid outside cells.

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7
Q

Give one example of intra-, inter-, and extracellular fluds.

A

Intra-: e.g. cytoplasm
Inter-: e.g. oxygen and nutrients
Extra-: e.g. in blood

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8
Q

What are lymphatic vessels?

(aka lymphatics)

A

Tube-like structures that carry lymph away from the tissues, back into the blood’s circulation.

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9
Q

What do lymphatic vessels ultimately do?

A

Deliver lymph into the right lymphatic duct, and the thoracic duct.

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10
Q

What is a lacteal?

A

A lymphatic vessel that transports fats.

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11
Q

Where are lacteals found?

A

At the center of the villi of the small intestine.

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12
Q

What are lymph nodes?

A

Oval-shaped structures located along the lymphatics.

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13
Q

What’s the difference between afferent and efferent lymphatics?

A

Afferent: Carries lymph into the lymph nodes.
Efferent: Carries lymph away from the lymph nodes.

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14
Q

What is the thymus gland?

A
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15
Q

Where is the thymus gland located?

A

Behind the sternum in the mediastinum.

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16
Q

What does the thymus gland do?

A
  • It differentiates and matures T-cells.
17
Q

What is a leucocyte?

A

A white blood cell.

leuco- - white
cyte - cell

18
Q

** god these slides are garbo

A