encyclopedia

Orchiectomy (also named orchidectomy, and sometimes shortened as orchi) is a surgical procedure in which one or both testicles are removed.

Orchiopexy (or orchidopexy) is a surgery to move an undescended (cryptorchid) testicle into the scrotum and permanently fix it there.

An ostectomy is a procedure involving the removal of bone.

An osteotomy is a surgical operation whereby a bone is cut to shorten or lengthen it or to change its alignment.

Otoplasty (Greek οὖς, oûs, “ear” + πλάσσειν plássein, “to shape”) denotes the surgical and non-surgical procedures for correcting the deformities and defects of the pinna (external ear), and for reconstructing a defective, or deformed, or absent external ear, consequent to congenital conditions (e.