Development and anatomy of the nasal accessory sinuses in man; observations based on two hundred and ninety lateral nasal walls, showing the various stages and types of development of the accessory sinus areas from the sixtieth day of fetal life to advanced maturity . maxOs For. sph,. ^ naed. Vic. 56.—Specimen Thirty-five Years Old. Sagittal Section from WhichTHE Soft Parts Had Been Removed by Maceration. (Series E, No. 5.)Concha nasalis media has been removed to allow a better view of the proc-essus uncinatus and the bulla ethmoidalis. The sinus frontahs de
Development and anatomy of the nasal accessory sinuses in man; observations based on two hundred and ninety lateral nasal walls, showing the various stages and types of development of the accessory sinus areas from the sixtieth day of fetal life to advanced maturity . maxOs For. sph,. ^ naed. Vic. 56.—Specimen Thirty-five Years Old. Sagittal Section from WhichTHE Soft Parts Had Been Removed by Maceration. (Series E, No. 5.)Concha nasalis media has been removed to allow a better view of the proc-essus uncinatus and the bulla ethmoidalis. The sinus frontahs developedfrom an infundibular cell. 1., Probe through ostium frontale; 2., probethrough ostium sphenoidale; , bulla ethmoidalis; , concha media(cut surface); , lamina cribrosa; «p., concha superior; ,concha suprema I; , foramen sphenopalatinum; ,lamina medialis pterygoidei; Os pal., pars perpendicularis ossispalatina; , concha inferior; , processus ethmoidalis conchaenasalis inferior; lacr., os lacrimal; , processus frontalismaxilte; , processus uncinatus; , hiatus semilunaris; ,agger nasi; , sinus frontalis. THE SINUS FRONTALIS 155. 17 Ifc 15 14 Fig. 57.—Specimen Thirty-eight Ye.\rs Old. Horizontal Section fromWhich the Soft Been Removed by ]M.\cer.\tion. (SeriesE, No. 15.) Plane of section is 9 mm. inferior to the level of nasion, or 4 mm. inferior tothe level of the sutura zygomaticofrontalis. 1, Os nasale; 3, lamina per-pendicularis ossis ethmoidalis; 3, infundibulum ethmoidale; 4, cellulie eth-moidales anterior; 5, lamina papyracea ossis ethmoidalis; 6, sulcus infra-orbitalis; 7, cellula ethmoidahs posterior; S, processus orbitaUs ossis palatini;9, fissura orbitalis inferior; 10, fissura orbitalis superior; 11, foramen opticum(inferior surface); 12, sinus sphenoidalis; IS, sella turcica; H, foramenlacerum; 15, foramen rotundum; 16,
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Keywords: ., boo, bookcentury1900, booksubjectembryologyhuman, booksubjectnose
