Origin of the Middle Ear
نویسندگان
چکیده
منابع مشابه
The origin of the mammalian middle ear.
SYNOPSIS: A functional explanation is presented for the shift of the reptilian articular and quadrate into the mammalian middle ear to become the malleus and incus. Modification of the masticatory apparatus of therapsids results in reduction of stresses on the jaw joint and consequently in reduction of posterior elements of the jaw. In the late therapsid, Jiieno-Iherium, the quadrate and post-d...
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The authors present a case of embryonal rhabdomyosarcoma of the middle ear in an adult patient. Computerized tomography indicated a malignant tumor and the diagnosis was confirmed by pathological analysis.
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The 41 papers that compose this volume were presented at the McCollumPratt Institute Symposium in the spring of 1958. They fall into four broad categories entitled Developmental Cytology, Cellular and Tissue Interactions in Development, Problems of Specificity in Development, and Control Mechanism in Development. Many of the current leaders in developmental biology contribute to the book either...
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M odern industry has produced a noisy world. The din of jack hammers, the whine of jet engines and the blare of amplified electric guitars have become all too commonplace. It was therefore con siderate of nature to have equipped the human ear with a rather sophis ticated noise-reduction system: two small muscles that are attached to the ossicles, the tiny bones that connect the eardrum to th...
متن کاملOsteoma of the middle ear.
Osteomas are rare benign bone tumors of the bone lamellar portion, that usually originate from the paranasal sinuses where they are pedicled. In the temporal bone, they are usually found in the external auditory canal and are extremely rare in the middle ear. Temporal bone osteomas have a preference for the outermost portion of the external auditory canal, while exostoses affect its most intern...
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ژورنال
عنوان ژورنال: The Journal of the Acoustical Society of America
سال: 1966
ISSN: 0001-4966
DOI: 10.1121/1.1942865