2.03 Remember the

structures of the

lymphatic system

2.03 Remember the structures of

the lymphatic system

What are the structures of the

lymphatic system?

2.03 Remember the stuctures of the

lymphatic system 2

2.03 Remember the stuctures of the

lymphatic system

Structures of the

lymphatic system

3

2.03 Remember the stuctures of the

lymphatic system

Structures of the

lymphatic system

4

Lymph fluid

• straw-colored

• clear

2.03 Remember the stuctures of the

lymphatic system

Structures of the lymphatic system

5

Lymph vessels

• parallel to blood

vessels

• transport lymph

2.03 Remember the stuctures of the

lymphatic system

Structures of the lymphatic system

6

Lymph vessels parallel to blood vessels

2.03 Remember the stuctures of the

lymphatic system

Structures of the lymphatic system

7

Lymph vessels

• Lacteals

• Specialized

lymph

vessels in the

small

intestines

2.03 Remember the stuctures of the

lymphatic system

Structures of the lymphatic system

8

Lymph vessels • Lymphatic ducts

• Large lymph vessels

• Thoracic duct

• Also called the left

lymphatic duct

• receives lymph

from the left side

as pictured

• Right lymphatic duct

• Lymph flows only in one

direction

2.03 Remember the stuctures of the

lymphatic system

Structures of the

lymphatic system

9

Lymph nodes

• tiny, oval-shaped

structures

• range in size from a

pinhead to an

almond

Lymph node

2.03 Remember the stuctures of the

lymphatic system

Structures of the

lymphatic system

10

Lymph nodes

• Where are lymph

nodes located?

• Why are there so

many?

2.03 Remember the stuctures of the

lymphatic system

Structures of the

lymphatic system

11

Tonsils • 3 pairs

• masses of lymphatic

tissue 1. Palatine tonsils

• sides of throat

2. Adenoids

• upper throat

3. Lingual tonsils

• back of tongue

2.03 Remember the stuctures of the

lymphatic system

Structures of the

lymphatic system

12

Say “aahhh”

Why this is helpful?

2.03 Remember the stuctures of the

lymphatic system

Structures of the

lymphatic system

13

Spleen

• Sac-like mass

• Located in the LUQ

2.03 Remember the stuctures of the

lymphatic system

Thymus gland

• located in the upper,

anterior chest

• also an endocrine

gland

14

Structures of the

lymphatic system

2.03 Remember the stuctures of the

lymphatic system

Structures of the

lymphatic system

15

Thymus gland

What is unique

about the thymus

gland?

2.03 Remember the structures of

the lymphatic system

What are the structures of the

lymphatic system?

2.03 Remember the stuctures of the

lymphatic system 16