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Gross Anatomy II Exam I > Thymus > Flashcards

Flashcards in Thymus Deck (9)
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1

T/F: The thymus is part of the cardiovascular system?

False: It is a major immune gland

2

What does the Thymus produce and why is this significant clinically?

T-lymphocytes. These are a major immune cell in fighting infection. These are no longer produced after birth but remain in the thymus to mature throughout life.

3

T/F: The thymus shrinks with age?

True

4

The thymus is composed of (blank) and lies primarily where?

-it is composed of two irregular lobes
-it lies primarily behind (posterior) to the manubrium and the body of the sternum

5

Which muscles lie just anterior to the thymus and thyroid gland?

Sternohyoid and Sternothyroid muscles

6

What is the blood supply to the thymus?

Internal Thoracic Atery

7

Where does the Thymus receive its nerve innervation from?

The Stellate ganglion of the sympathetic trunk and the Vagus

8

T/F: the thymus lies superior to the thyroid gland.

False. It lies inferior

9

Where are common extensions of the thymus found?

Into the neck around the front and sides of the trachea