PERIOSTITIS

(Lat.), n. f. Pe2r-i2-o2st-i(e)'ti2s. Gen., -it'idos (-idis). From irepi. around, and oo-Te'oi/, a bone. Fr., periostite. Inflammation of the periosteum. [E.] P. album i nos a. Of Oilier an epiphyseal osteo-p. in which there is a collection of transparent albuminous fluid under the periosteum, [a. 34.]-P. auris mediae. Of Rau, acute purulent inflammation of the middle ear. I*.J fcaseosa. Tubercular p. [a, 34.] P. gummatosa. Syphilitic p. in which gummata have formed beneath the periosteum, [a, 64.\ P. intern a cranii. Pachymeningitis of the external surface of the dura mater, [a, 34.]-P.' malign a. P. with suppuration caused by infections micro-organisms, [a, 34.] P. mas to idea. Inflammation of the periosteum covering the mastoid proce and of the superficial part of the subjacent bone. [F.] P. o incans. P. with o eous hyperplasia. [a, 34.J-P. phlegm onos a. See P. malign a. E. he; K-', ell; ti, go: I, die; Is. in; N, in; N*, tank; [s. 240]