Palatine tonsils

Definition

Palatine tonsils are two lymphoid tissues located at the back of the throat, one on each side. They play a role in immune defense by trapping and destroying pathogens entering through the mouth or nose.

5 Must Know Facts For Your Next Test

1. Palatine tonsils are part of the lymphatic system and contribute to immune surveillance.
2. They contain lymphocytes, which help fight infections by producing antibodies.
3. Chronic inflammation of the palatine tonsils can lead to conditions such as tonsillitis.
4. They are strategically positioned to encounter airborne and ingested pathogens first.
5. The surface of palatine tonsils has crypts that increase its surface area for trapping microbes.

Review Questions

• What is the primary function of the palatine tonsils?
• How do palatine tonsils contribute to immune defense?
• What condition arises from chronic inflammation of the palatine tonsils?

Related terms

Lymphocytes: White blood cells that are pivotal in immune responses.

Tonsillitis: Inflammation of the tonsils, often due to infection.

Crypts: Small invaginations on the surface of palatine tonsils that trap pathogens.