Ameloblasts
Ameloblasts
Ameloblasts (pronounced: /əˈmɛləˌblæsts/) are cells present in the developing tooth bud. They are part of the ectodermal layer and are involved in the formation of enamel, the hard, outer covering of the tooth.
Etymology
The term "ameloblast" is derived from the Greek words "amelos" meaning enamel and "blastos" meaning germ.
Function
Ameloblasts are responsible for the production and secretion of enamel during the process of tooth development. They differentiate from ectodermal cells in the dental lamina and dental papilla. Once the tooth erupts, the ameloblasts are lost and are not regenerated.
Related Terms
- Enamel: The hard, outermost layer of a tooth that covers the crown. Enamel is the most visible part of teeth, and is responsible for their white appearance.
- Dentin: The layer of the tooth that lies beneath the enamel and cementum. It is less hard than enamel and has a yellowish color.
- Odontoblasts: Cells that form dentin, the hard tissue just beneath the tooth's enamel.
- Cementoblasts: Cells that produce cementum, the substance that covers the root of the tooth.
- Tooth development: The complex process by which teeth form from embryonic cells, grow, and erupt into the mouth.
See Also
External links
- Medical encyclopedia article on Ameloblasts
- Wikipedia's article - Ameloblasts
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