Lymphatic System Flashcards

1
Q

Right lymphatic duct

A

Collects from the upper right corner of the body.

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2
Q

Thoracic duct

A

Collects from the rest of the body excluding the upper right corner.

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3
Q

Lymph organs

A

Bone marrow, thymus, spleen, lymph nodes and MALT.

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4
Q

Spleen

A

Largest lymph organ. Stores blood cells and destroys worn out red blood cells and platelets.

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5
Q

Lymph nodes

A

Collect and filter lymph.

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6
Q

Mucosal Associated Lymphoid Tissue

A

Includes tonsils, Peyer’s patches and the veriform appendix.

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7
Q

Components of the lymphatic system

A

Lymph, lymphatics and lymphatic organs.

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8
Q

Functions of the lymphatic system

A

Remove excess interstitial fluid, transports fat and fat-soluble vitamins and protects the body via lymphocytes.

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9
Q

Lymph

A

Colourless fluid in the lymph vessels. Derived from interstitial fluid.

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10
Q

Lymphatics

A

Lymph vessels. Supply all organs except the CNS.

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11
Q

Lacteals

A

Lymphatic capillaries in the villi of the small intestine. Absorb dietary fats and fat soluble vitamins.

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12
Q

Lymphokinesis

A

Movement of lymph through the body.

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13
Q

Factors which affect lymphkinesis

A

Milking by skeletal muscles, pressure differences, contraction and relaxation of smooth muscle and compression

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14
Q

B cell lifecycle

A

Mature in the bone marrow, then enter the bloodstream to fight invaders.

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15
Q

T cell lifecycle

A

Leave the bone marrow to mature in the thymus. Enter the bloodstream and travel to the lymphatic system.

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16
Q

Hormones which stimulate the maturation of lymphocytes

A

Thymus hormones

17
Q

Primary lymphatic organs

A

Red bone marrow and thymus.

18
Q

Secondary lymphatic organs

A

Lymph nodes, MALT and spleen

19
Q

Immunity

A

The body’s ability to counteract the effects of pathogens.

20
Q

Cells which produce antibodies

A

B cells.