callus
suomi-englanti sanakirjacallus englannista suomeksi
kallus, uudisluu
kovettuma
kovettaa
kovettua
callus englanniksi
A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
{{quote-text|en|year=2011|author=David Foster Wallace|title=The Pale King|page=17
The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece.
The new formation over the end of a cutting, before it puts out rootlets.
A shining area on the frons of many species of Tabanomorpha (horse flies and relatives).
To form such hardened tissue.