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NORTHWESTERN PEDIATRIC SOCIETY

NORTHWESTERN PEDIATRIC SOCIETY Transactions Society Oct. 1926 Minneapolis, 15, C. A. in the Chair Stewart, M.D., President, of the Paranasal Sinuses and Mastoid Cells. Presented The Development . Scammon. Dr. Richard by of the sinuses in the middle third of The development paranasal begins pre¬ with the of the natal but, exception maxillary sinus, they rarely develop life, the of before birth. At birth the sinus epithelial pockets maxillary beyond stage in an oval excavation the medial wall of the has elongated already produced sinus first in the maxilla. In general, the maxillary proceeds postnatal growth, while the frontal and sinuses ethmoidal sinuses come sphenoidal expand next, involve more The ethmoidal sinuses the wall of the slowly. generally bony nasal in the first and the frontal and sphenoidal sinuses form cavity year, usually the third excavations in their bones in second or respective years. At the of the middle ear and the mastoid antrum have reached birth, cavity mastoid when are adult but the cells, present, represented only by epithelial size, than buds at one or two small chambers less 5 mm. in diameter. or, most, by The later of these cells shows individual as does development great variation, structure at of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American journal of diseases of children American Medical Association

NORTHWESTERN PEDIATRIC SOCIETY

American journal of diseases of children , Volume 33 (2) – Feb 1, 1927

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Publisher
American Medical Association
Copyright
Copyright © 1927 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0096-8994
eISSN
1538-3628
DOI
10.1001/archpedi.1927.04130140176018
Publisher site
See Article on Publisher Site

Abstract

Transactions Society Oct. 1926 Minneapolis, 15, C. A. in the Chair Stewart, M.D., President, of the Paranasal Sinuses and Mastoid Cells. Presented The Development . Scammon. Dr. Richard by of the sinuses in the middle third of The development paranasal begins pre¬ with the of the natal but, exception maxillary sinus, they rarely develop life, the of before birth. At birth the sinus epithelial pockets maxillary beyond stage in an oval excavation the medial wall of the has elongated already produced sinus first in the maxilla. In general, the maxillary proceeds postnatal growth, while the frontal and sinuses ethmoidal sinuses come sphenoidal expand next, involve more The ethmoidal sinuses the wall of the slowly. generally bony nasal in the first and the frontal and sphenoidal sinuses form cavity year, usually the third excavations in their bones in second or respective years. At the of the middle ear and the mastoid antrum have reached birth, cavity mastoid when are adult but the cells, present, represented only by epithelial size, than buds at one or two small chambers less 5 mm. in diameter. or, most, by The later of these cells shows individual as does development great variation, structure at of

Journal

American journal of diseases of childrenAmerican Medical Association

Published: Feb 1, 1927

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