about

six inches in length, which traverses the corpus cavemostma urethrae, or corpus spongiosiun p. centra'lis [BNA], cella media or body of the lateral ventricle of the brain, lying in the parietal lobe extending from the foramen of Monro to the splenium of the corpus callosum. p. flac'- cid a [BNA], flaccid part, Shrapnell's* membrane, p. horizonta'lis [BNA], horizontal part, or horizontal plate, of the palate bone, forming part of the floor of the nasal fo a, p. inflez'a, one of the two posterior reflections (p. i. later a'- lis, p. i. media'lis) of the wall of a horse's hoof; see bar. p. inter me'dia fo 'ae rhomboid'es [BNA], the broad middle portion of the rhomboid fo a, p. irid'ica ret'inse, uveal tract, p. mastoid'ea [BNA], mastoid portion of the temporal bone. p. membrana'cea [BNA], the second portion of the male urethra, about half an inch in length, extending from the prostate to the beginning of the spongy urethra just beyond the bulb. p. membrana'cea sep'ti atrio'nim [BNA], a triangular space at the base of the inter auricular septum of the heart where the muscular ti ue is very thin or absent, p. nasa'- lis [BNA], nasal portion of the temporal bone which lies between the two orbital parts anteriorly and forms part of the roof of the nasal fo ae, p. orbita'lis [BNA], orbital portion of the frontal bone, consisting of two transversely curved plates separated by the ethmoidal notch and nasal spine, p. perpendicula'ris [BNA], perpendicular part, or vertical plate, of the palate bone. p. petro'sa [BNA], petrous portion of the temporal bone; pyramid, p. prost at'ica [BNA], the portion of the male urethra, about one inch in length, which traverses the prostate, p. spongio'sa, p. cavernosa [BNA], p. squamo'sa, the squamous portion of the temporal bone, squama temporal is [BNA]. p. ten'- sa [BNA], tense part, the greater portion of the membrana tympani which is tense and firm, contrasting with the small triangular pars flaccid a. p. triangula'ris, the praeoperculum, pre operculum. p. tympan'ica [BNA], the tympanic portion of the temporal bone, forming the greater part of the wall of the external auditory meatus.