Thymus Gland Flashcards Preview

The Lymphatic System (Sandy) > Thymus Gland > Flashcards

Flashcards in Thymus Gland Deck (12)
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1

This is located in the mediastinum, above the heart, it has two lobes and each lobe is covered by a capsule. Each lobe is divided into smaller lobules by trabeculae.

thymus gland

2

Where is the thymus gland located?

in the mediastinum above the heart

3

How many lobes does the thymus gland have, what are they covered by, and how are they divided?

2 lobes
covered by a capsule
each lobe is divided into smaller lobules by trabeculae

4

What happens to the thymus gland after puberty?

it shrinks

5

This has an outer covering, and a cortex that surrounds the middle (medulla)?

thymus gland lobules

6

The thymus gland doesn't have lymphoid follicles but is instead the site of what?

T cell maturation

7

The thymus gland is a primary lymphatic organ what are its 3 functions?

-functions in maturation of the T-lymphocytes
-doesn't destroy antigens
-protected from antigens by blood thymus barrier

8

The thymus gland functions in the maturation of T-lymphocytes but not what?

T-cell activation

9

What does the thymus gland not destroy?

antigen

10

Why is the thymus gland protected from antigens?

because of the blood thymus barrier

11

the acquisition of specific receptors and self-tolerance

maturation of T lymphocytes

12

gives them the ability to destroy antigen (foreign invaders)

activation of T lymphocytes