The Structures of the Lymphatic System 2 03

2. 03 Remember the structures of the lymphatic system What are the structures of

Structures of the lymphatic system d i u l f h p m y

Structures of the lymphatic system Lymph fluid • straw-colored • clear 2. 03 Remember

Structures of the lymphatic system Lymph vessels ● parallel to blood vessels ● transport

Structures of the lymphatic system 2. 03 Remember the stuctures of the lymphatic system

Structures of the lymphatic system Lymph vessels • Lymph flows only in one direction

Structures of the lymphatic system Lymph vessels • Lacteals • Specialized lymph vessels in

Structures of the lymphatic system Lymph nodes ● tiny, oval-shaped structures ● range in

Structures of the lymphatic system Lymph nodes • Where are lymph nodes located? In

Structures of the lymphatic system Tonsils • 3 pairs • Masses of lymphatic tissue

Structures of the lymphatic system Say “aahhh” Why this is helpful? ● The pharynx

Structures of the lymphatic system Spleen • Sac-like mass • Located in the LUQ

Structures of the lymphatic system Thymus gland • • located in the upper, anterior

Structures of the lymphatic system Thymus gland What is unique about the thymus gland?

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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

Structures of the lymphatic system d i u l f h p m y L ❖ ❖ Lym ph vesse ls s e d o n h p m y L ❖ ❖ Lymp h glands 2. 03 Remember the stuctures of the lymphatic system 3

Structures of the lymphatic system Lymph fluid • straw-colored • clear 2. 03 Remember the stuctures of the lymphatic system 4

Structures of the lymphatic system Lymph vessels ● parallel to blood vessels ● transport lymph 2. 03 Remember the stuctures of the lymphatic system 5

Structures of the lymphatic system 2. 03 Remember the stuctures of the lymphatic system Lymph vessels parallel to blood vessels 6

Structures of the lymphatic system Lymph vessels • Lymph flows only in one direction • Lymphatic ducts: Large lymph vessels • Thoracic duct • Also called the left lymphatic duct • Receives lymph from the left side as pictured • Right lymphatic duct 2. 03 Remember the stuctures of the lymphatic system 7

Structures of the lymphatic system Lymph vessels • Lacteals • Specialized lymph vessels in the small intestines 2. 03 Remember the stuctures of the lymphatic system 8

Structures of the lymphatic system Lymph nodes ● tiny, oval-shaped structures ● range in size from a pinhead to an almond Lymph node 9

Structures of the lymphatic system Lymph nodes • Where are lymph nodes located? In the head, neck, axilla (under the arm), abdomen and groin • Why are there so many? Nodes produce lymphocytes and filter harmful bacteria 2. 03 Remember the stuctures of the lymphatic system 10

Structures of the lymphatic system 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 11

Structures of the lymphatic system Say “aahhh” Why this is helpful? ● The pharynx arches up, the tongue goes down, the uvula moves up and this all provides a better view of your throat. 2. 03 Remember the stuctures of the lymphatic system 12

Structures of the lymphatic system Spleen • Sac-like mass • Located in the LUQ 2. 03 Remember the stuctures of the lymphatic system 13

Structures of the lymphatic system Thymus gland • • located in the upper, anterior chest also an endocrine gland 2. 03 Remember the stuctures of the lymphatic system 14

Structures of the lymphatic system Thymus gland What is unique about the thymus gland? ● It reaches its greatest size at puberty ● After puberty it begins decreasing in size 2. 03 Remember the stuctures of the lymphatic system 15