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 . Os-t —^ TLs-n-T-i d e so, Ca inc Fig. is.—Specimen From a Child Eight Days Old. (Series D, No. 1.)Sagittal section in median line tlrrough frontal and maxillarj bones and 3mm. to left of median line through sphenoid bone. Shows the left lateralnasal wall, the ascending and the descending rami of the meatuses, also
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 . Os-t —^ TLs-n-T-i d e so, Ca inc Fig. is.—Specimen From a Child Eight Days Old. (Series D, No. 1.)Sagittal section in median line tlrrough frontal and maxillarj bones and 3mm. to left of median line through sphenoid bone. Shows the left lateralnasal wall, the ascending and the descending rami of the meatuses, also theextent of development of the sinus sphenoidalis. Note that the antero-inferiorwall of the sinus sphenoidalis (concha sphenoidalis or ossiculum Bertini) iswell , Agger nasi; , canalis incisivus; Rami desc,rami descendens of ethmoidal meatuses; , ostium tuba3 auditivse;Hypoph., hypophysis; , sinus sphenoidalis; Rami asc, rami ascendensof ethmoidal meatuses. THE ETHMOIDALES Cel ir^i. Fig. 19,—Specimen From a Child One Month and Eight Days Odd. (Series D, No. 2.)Posterior view of coronal section cut 16 mm. posterior to the nasion, showingthe extent of supero-inferior and lateral development of sinus andoellulee ethmoidales posterior. Note the proximity of developing teeth to theorbital floor. , Crista galli; , cellulas ethmoidales posterior;, posterior extremity of processus uncinatus; , sinus maxillaris;, concha inferior; , nervus infraorbitalis; , conchamedia; , concha superior.
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Keywords: ., boo, bookcentury1900, booksubjectembryologyhuman, booksubjectnose
