Dermal-Epidermal Junction

Key concept

The dermal-epidermal junction (DEJ) appears very early in development and has all the characteristics of the adult structure by the 9th week of gestation.

Bullet Summary

• Week 5: Zones of the dermal-epidermal junction form
• Week 9: Anchoring fibrils and hemidesmosomes form
• Weeks 6-10: Structural proteins of the dermal-epidermal junction

To see how the dermal-epidermal junction develops click on one of the buttons below:

Week 5
Week 9
Weeks 6- 10