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 . s ca-v. Fig. 24.—Specimen From a Child Two Years, Six Months, and TwelveDays Old. (Series D, No. 25.)Lateral view of left frontal, ethmoidal, and maxillary sinus areas. Noteadvance of sinus frontalis into the vertical portion of the frontal bone. , Cellulfe bullae ethmoidales; , cellula ethmoidalis posterio
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 . s ca-v. Fig. 24.—Specimen From a Child Two Years, Six Months, and TwelveDays Old. (Series D, No. 25.)Lateral view of left frontal, ethmoidal, and maxillary sinus areas. Noteadvance of sinus frontalis into the vertical portion of the frontal bone. , Cellulfe bullae ethmoidales; , cellula ethmoidalis posterior;, foramen ethmoidale posterius; , foramen opticum;, arteria carotis interna; , sinus cavernosus; ,sinus sphenoparietalis; , foramen rotundum; , sinusmaxillaris; , infundibulum ethmoidale; , cellulfe in-fundibulares; , sinus frontalis. THE VEhhVLM KTHMOIDALES 69 Proc. u rvc. Fig. 25.—Specimen From a Child, Three Years Five Months, and EightDays Old. (Series D, No. 32.)Posterior view of coronal section cut mm. posterior to nasion, sliowingthe extent of lateral and supero-inferior development of sinus maxillaris, theosseous ridge beneath nervus infraorbitalis, cellula; ethmoidales posterior,and small conchal cells developing in each concha nasalis superior. The ostiamaxillaria are larger than usual in the anteroposterior diameter. Note de-flection of septum and its influence on each concha media. ,Concha superior; , cellula; ethmoidales posterior; , conchamedia; , nervus infraorbitalis; , concha inferior; uncinatus; , cartilago septi nasi; , laminaperpendicularis. THE CELLUL^E ETHMOIDALES 71 , F r o o. \J n- c.
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Keywords: ., boo, bookcentury1900, booksubjectembryologyhuman, booksubjectnose
