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October 1940


Arch Otolaryngol. 1940;32(4):793-818. doi:10.1001/archotol.1940.00660020798012

In reviewing the literature from October 1938 through December 1939 pertaining to the anatomy and physiology of the ear, we present summaries and abstracts of articles which permit the reader in a brief time to obtain a panorama of the field concerned. This review is not intended to be self sufficient, as are the original papers. Only articles of special value to us are included in this review.

DEVELOPMENTAL ANATOMY  The origin and distribution of air-containing cells in the temporal bone were investigated by Bast and Forester.1 They approached the problem in a logical way, not only employing serial microscopic sections of temporal bones of adults but starting with those of the embryo and continuing with those of children up to 6 years of age. Ninety-seven bones of 69 fetuses and 39 bones of 27 infants were used.The eustachian tube in the embryo extends to the middle ear by

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