Thymus Gland Flashcards Preview

The Lymphatic System (Sandy) > Thymus Gland > Flashcards

Flashcards in Thymus Gland Deck (12)
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1
Q

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.

A

thymus gland

2
Q

Where is the thymus gland located?

A

in the mediastinum above the heart

3
Q

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

A

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

4
Q

What happens to the thymus gland after puberty?

A

it shrinks

5
Q

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

A

thymus gland lobules

6
Q

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

A

T cell maturation

7
Q

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

A
  • functions in maturation of the T-lymphocytes
  • doesn’t destroy antigens
  • protected from antigens by blood thymus barrier
8
Q

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

A

T-cell activation

9
Q

What does the thymus gland not destroy?

A

antigen

10
Q

Why is the thymus gland protected from antigens?

A

because of the blood thymus barrier

11
Q

the acquisition of specific receptors and self-tolerance

A

maturation of T lymphocytes

12
Q

gives them the ability to destroy antigen (foreign invaders)

A

activation of T lymphocytes