![]() ![]() ConclusionsĪnatomic and morphologic details in the postero-superior quadrant were newly described and may explain the greater incidence of retraction pockets and marginal perforations that provide the origin of cholestheatoma. Additionally, in 25% of cases, given the absence of the circular fibers of lamina propria, the postero-superior quadrant had only the radial fiber layer. ![]() The labrum is a band of tough cartilage and connective tissue that lines the rim of the hip socket, or. In association, we established that at this level there was a decrease in the annulus caliber. A hip (acetabular) labral tear is damage to cartilage and tissue in the hip socket. We also verified that the posterosuperior part of the tympanic sulcus, above the chorda tympanic nerve, lost its depth in an unexpected way (60%) or that it gradually diminished from 0.9 to 0.5 mm until it disappeared near the posterior tympanic spine. This feature implies that this quadrant is more exposed to pressure changes. We established that the postero-superior quadrant was the largest in size, with a mean dimension of 21.05 mm2, which represents 28.7% of the total area of the tympanic membrane. stent was as efficient as in the superior quadrant as a first-line intervention in. The histological results were documented in 30 serially sectioned bones, stained previously with hematoxylin-eosin. Leading the digital transformation in South Africa by providing strong & unique IT foundations in advanced software cybersecurity and cloud computing. Keywords: Inferonasal quadrant, Minimally invasive glaucoma surgery. The morphological and anatomical details of the tympanic membrane were observed in 70 bones, which implied the use of macroscopic sections of the bones. Methodsġ00 temporal bones from adults without history of otologic pathology were studied. The purpose of this study was to document the anatomic relationship of the postero-superior segment of the tympanic membrane and its clinical implications.
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