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STAPES, FISSULA ANTE FENESTRAM AND ASSOCIATED STRUCTURES IN MANI. FROM THE EMBRYO OF SEVEN WEEKS TO THAT OF TWENTY-ONE WEEKS
BARRY J. ANSON, PH.D. (MED.SC.);
JOHN E. KARABIN, M.D.;
JOHN MARTIN, M.D.
Arch Otolaryngol. 1938;28(5):676-697.
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In the course of a comprehensive study of the anatomy of the human ear, it was early realized that more precise information was needed on the development and the adult form and structure of the stapes. Not until such information became available could pathologic structure of the stapes be certainly distinguished from normal or the extent of alteration be determined. Of almost equal importance is information concerning the neighboring area—the vestibular window, fissular tracts and islands of osseous tissue of types peculiar to the temporal bone. The present paper represents the initial phase of a study of the stapedial area and includes six developmental stages between the embryo of 22.8 and that of 183 mm. crown-rump length; subsequent papers will carry the study through the stages of infant, child and adult (to the age of 70).
MATERIALS AND METHODS
For this investigation reconstructions of the stapes, together with the surrounding
. . . [Full Text PDF of this Article]
Author Affiliations
CHICAGO
From the Departments of Anatomy, Otolaryngology and Surgery, Northwestern University Medical School. Contribution 267 from the Anatomical Laboratory.
Footnotes
Read at the meeting of the American Association of Anatomists, April 20, St. Louis, 1935. The investigation was conducted under the auspices of the Central Bureau of Research of the American Otological Society, with the general superintendence of Dr. J. Gordon Wilson.
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