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How many lymph nodes are in the human body?

Published in Human Anatomy 1 min read

An adult human body contains approximately 800 lymph nodes. These nodes are strategically located at the convergence of major blood vessels and play a crucial role in filtering lymph, fighting infection, and identifying malignancy.

Location of Lymph Nodes

Lymph nodes are commonly found in the following areas:

  • Neck
  • Axilla (armpit)
  • Thorax (chest)
  • Abdomen
  • Groin

Function of Lymph Nodes

Lymph nodes are vital components of the immune system, serving multiple critical functions:

  • Filtering Lymph: Lymph nodes filter incoming lymph, removing waste, debris, and pathogens.
  • Infection Response: They play a crucial role in the body's defense against infection.
  • Malignancy Detection: Lymph nodes are involved in identifying and responding to malignancy.

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