Category:Callus

Cal"lus, n. Etym: [L. See Callous.]

1. (Med.) (a) Same as Callosity. (b

Defn: The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistence, but is ultimately converted into true bone and unites the fragments into a single piece.

2. (Hort.)

Defn: The new formation over the end of a cutting, before it puts out rootlets.