To form such hardened tissue.
A shining area on the frons of many species of Tabanomorpha (horse flies and relatives).
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 hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
To make a hole in (something); to hollow.
To uncover (something) by digging.
To remove part of (something) by scooping or digging it out.
Any member of a major grouping of unicellular eukaryotes, of the clade Excavata.