Access the full text.
Sign up today, get DeepDyve free for 14 days.
References for this paper are not available at this time. We will be adding them shortly, thank you for your patience.
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
American journal of diseases of children – American Medical Association
Published: Feb 1, 1927
Read and print from thousands of top scholarly journals.
Already have an account? Log in
Bookmark this article. You can see your Bookmarks on your DeepDyve Library.
To save an article, log in first, or sign up for a DeepDyve account if you don’t already have one.
Copy and paste the desired citation format or use the link below to download a file formatted for EndNote
Access the full text.
Sign up today, get DeepDyve free for 14 days.
All DeepDyve websites use cookies to improve your online experience. They were placed on your computer when you launched this website. You can change your cookie settings through your browser.