Module 4: Immune-lymphatic system Flashcards

1
Q

First lymphoid organ to appear

A

Thymus

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2
Q

Principal function of the thymus

A

Maturation of T lymphocytes

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3
Q

What provides cellular support in the thymus?

A

Reticulin

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4
Q

In which part of the thymus are lymphocytes produced?

A

Cortex

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5
Q

What hormone is produced in the cortex of the thymus?

A

Thymosin

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6
Q

The part of the lymph node where germinal centers are located? (where proliferation of B lymphocytes occurs)

A

Cortex

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7
Q

In what part of the lymph node does proliferation of T lymphocytes occur?

A

Paracortex

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8
Q

Structure that provides support and conveys large blood vessels to the lymph nodes and spleen

A

Trabeculae

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9
Q

Function of the trabeculae in the spleen

A

Provides support and conveys large blood vessels

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10
Q

2 main functions of the spleen

A

Removal of particulate matter and defective blood cells from circulating blood (red pulp)
Antibody formation against blood-borne antigens by activation of splenic B-lymphocytes (white pulp)

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11
Q

Where are Hassall’s corpuscles found?

A

In the medulla of the thymus

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