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small skin projections crucial for hair growth and nutrient supply

Dermal papillae are small, nipple-like extensions of the dermis (the inner layer of the skin) that project into the epidermis (the outer layer of the skin). In the context of hair, they are located at the base of hair follicles and play a crucial role in hair growth by supplying nutrients and signaling molecules to the hair matrix cells, which are responsible for producing hair.

Related Terms

• Hair Follicle
• Dermis
• Epidermis
• Hair Matrix
• Dermal Papilla Cells
• Dermal Papilla Cell Exosomes
• Dermal Papilla Cell Proliferation
• Dermal Papilla Fibroblasts
• Dermal Papilla-Like Cells
• Dermal Fillers