Free nerve endings (touch)

Category
Touch
Function
Crude touch, tickle, itch overlap
Quantity
Millions of endings in skin
Density
Up to ~170 / cm² in sensitive regions
Distribution
Entire integument; also viscera and mucosa

Relative Deployment

Notes

Unencapsulated terminals. Overlap functionally with nociceptors and thermoreceptors depending on channel expression.

Interacting Systems & Components