touch cell

Touched cells produce auxin and transport it to untouched cells.

Purple mercenaries may operate without touch cells, ignoring wounds while blasting away with pistolas in both hands.

In 1875 he provided the first full description of Tastzellen (touch cells) which occur in the skin of all vertebrates.

Friedrich Sigmund Merkel referred to these cells as Tastzellen or "touch cells" but this proposed function has been controversial as it has been hard to prove.