Crown

Definition

In the context of anatomy and physiology, specifically within the digestive system chapter focusing on the mouth, pharynx, and esophagus, the crown refers to the visible part of a tooth above the gum line. It is covered by enamel, which is the hardest substance in the human body and protects against decay.

Related terms

Enamel: The hard, protective outer layer covering the crown of a tooth that guards against tooth decay.

Dentin: A tissue beneath the enamel and cementum of a tooth that contains microscopic tubules, which can transmit sensations such as pain.

Pulp: The softer, living inner structure of a tooth containing nerves and blood vessels