Defn: Inflammation of a bone and its periosteum.

OSTEOPHONE
Os"te*o*phone, n. Etym: [Gr.

Defn: An instrument for transmission of auditory vibrations through the bones of the head, so as to be appreciated as sounds by persons deaf from causes other than those affecting the nervous apparatus of hearing.

OSTEOPLAST
Os"te*o*plast, n. Etym: [Osteo- + Gr. (Anat.)

Defn: An osteoblast.

OSTEOPLASTIC
Os`te*o*plas"tic, a. Etym: [Osteo- + -plastic.]

1. (Physiol.)

Defn: Producing bone; as, osteoplastic cells.

2. (Med.)

Defn: Of or pertaining to the replacement of bone; as, an osteoplastic operation.