The grooves in the outermost layer of skin on the palms of the hands and soles of the feet where sweat glands open. [ ncithesaurus:Epidermal_Ridges ]
This is just here as a test because I lose it
Term information
Term relations
Subclass of:
- limb external integument structure
- ectoderm-derived structure
- part of some skin epidermis
- part of some digit