Originally used especially of the arts presided over by the Muses (history, poetry, comedy, tragedy, music, dancing, astronomy), but also used 17c. for one skilled in any art or craft (including professors, surgeons, craftsmen, cooks). Now especially of one who practices the arts of design or visual arts (a sense first attested 1747).
Introduction. Cuts and grazes are a common type of injury and in most cases do not pose a threat to health. Most cuts and grazes are minor and can be easily treated at home. Cleaning them thoroughly and covering them with a plaster or dressing is all that's needed.
Difficult varieties often benefit from such wounding, sending out roots all along the wound. Rooting hormones -- You can root most rose varieties without the use of hormone preparations. This is because rose cuttings contain auxin (indoleacetic acid -- IAA), a natural root-promoting hormone.