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Overview of the Lymphatic System
Overview of the Lymphatic System
The lymphatic system is composed of
Lymph Vessels
Lymphoid Structures
Red Bone Marrow
Thymus
Lymph Nodes
Spleen
Tonsils
Lymphoid Modules
MALT (mucosa-associated lymphoid tissue)
Lymph is the fluid transported within lymph vessels. It includes :
Water
Dissolved Solutes
a small amount of protein
sometimes foreign material that includes both cell debris and pathogens, and perhaps metastasized cancer cells
Click on the links to access a free notes document covering the Lymphatic System!
Pictured above is an ultrasound where someone's spleen (right) and accessory spleen (left) are shown.
Fun Fact!
Fun Fact!
30% of people have two spleens! Called an accessory spleen, the second spleen may even function once the original spleen is removed. For the other 70% of humans who only have one spleen: if that spleen gets removed, you can still live!
Miller, K. (2022, January 26). Splenectomy (Spleen Removal): Complications, Recovery, and More. WebMD. Retrieved February 23, 2023, from https://www.webmd.com/digestive-disorders/splenectomy
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