Facial lymph nodes

Facial lymph nodes are a group of lymph nodes located in the face and are part of the lymphatic system, which plays a crucial role in the body's immune response. The facial lymph nodes are responsible for draining lymph fluid from the facial tissues and structures, including the skin, mucous membranes, and other facial tissues.

Etymology

The term "lymph node" comes from the Latin word 'lympha', which means 'connected to water', and the Greek word 'node', which means 'knot'. The term "facial" is derived from the Latin word 'facies', which means 'face'.

Anatomy

The facial lymph nodes are divided into several groups, each of which drains a specific area of the face. These groups include the submental lymph nodes, which are located beneath the chin, and the submandibular lymph nodes, which are located along the lower border of the jawbone. Other groups include the buccal lymph nodes, which are located near the cheeks, and the infraorbital lymph nodes, which are located below the eyes.

Function

The primary function of the facial lymph nodes is to filter lymph fluid that drains from the facial tissues. This fluid often contains harmful substances such as bacteria, viruses, and cancer cells. The lymph nodes contain immune cells that can destroy these harmful substances, thereby preventing them from spreading to other parts of the body.

Related Terms

• Lymphatic system
• Lymph
• Lymphocytes
• Lymphatic vessels
• Lymphatic drainage

See Also

• Cervical lymph nodes
• Axillary lymph nodes
• Inguinal lymph nodes

References

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