. Diseases of the ear; a text-book for practitioners and students of medicine. The Mastoid Operation. PLATE XI The Complete Mastoid Operation. The plate shows the complete mastoid operation, with the obliteration of all of themastoid cells. A is the aditus ad antrum. C the bony covering of the lateral is the digastric muscle. B is a small cell sometimes found just behind the promi-nence of the horizontal semicircular canal. Note the prominence of the horizontalsemicircular canal between A, the aditus ad antrum, and B, a deep cell sometimesfound in this region. The posterior osseous
. Diseases of the ear; a text-book for practitioners and students of medicine. The Mastoid Operation. PLATE XI The Complete Mastoid Operation. The plate shows the complete mastoid operation, with the obliteration of all of themastoid cells. A is the aditus ad antrum. C the bony covering of the lateral is the digastric muscle. B is a small cell sometimes found just behind the promi-nence of the horizontal semicircular canal. Note the prominence of the horizontalsemicircular canal between A, the aditus ad antrum, and B, a deep cell sometimesfound in this region. The posterior osseous wall of the external auditory meatus isalso well shown. In front of A the bone has been removed, so as to explore the zygo-matic cells. (Authors dissection.) DIVISION OF SOFT PARTS. 533 cranial cavity accidentally or feel compelled to do so as a matterof election, we should never undertake the procedure withoutbeing thoroughly prepared to extend our operation in this direc-tion if necessary. The primary incision begins over the middleof the mastoid insertion of the sterno-cleido-mastoid muscle,about half an
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernew, booksubjectear
