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A: Otic capsule bone drilled to a thin shell to reveal contours of the cochlea. The membranous labyrinth has been stained with osmium so that it appears dark through the thinned bone. An implant electrode array had been inserted into this specimen and a portion of the array can be seen at lower left. B: Similar preparation in which the bone overlying scala vestibuli has been removed to show the osmium-stained basilar membrane and osseous spiral lamina. A: Apical cochlear

Meet the residents of the Class of 2027 in the Department of Obstetrics/Gynecology at UT Southwestern.

Whole-mount, osmium-stained preparations of organ of Corti as seen by light (A) and scanning electron (B) microscopy. The level of focus in “A” is such that the cell bodies (rather than apical surfaces) of the outer hair cells (OHC) are seen. These preparations are from laboratory animals.

Meet the residents of the Class of 2029 in the Department of Obstetrics/Gynecology at UT Southwestern.

A: Apical cochlear turn showing myelinated nerve fibers within the osseous spiral lamina (OSL). B: Basal turn. The organ of Corti (OC) is seen as a lightly-stained band lying adjacent to the osseous lamina. Micrograph shown in “B” from Wright CG, Roland PS. Temporal bone microdissection for anatomic study of cochlear implant electrodes. Cochlear Implants International 2005;6(4):159-168. Copyright John Wiley & Sons Limited. Reproduced with permission.

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Cochlear vasculature as Illustrated by Siebenmann (1894). The arrow indicates the central auditory vein, which when present, may provide collateral venous drainage for the vessels associated with scala tympani.

The 2023 STARS Summer Research Program for Students included 53 students from Dallas-Fort Worth and surrounding areas. This 8-week program gave students an opportunity to work side-by-side with a faculty host. It consisted of activities, seminars, and an individualized research project that contributed to the advancement of science. The students were able to showcase and share these advancements during the end-of-program scientific poster session. 2023 STARS Summer Research Program for

Cochlear dissection after insertion of an implant electrode array. Portions of the osseous lamina and basilar membrane have been removed to more clearly show the electrode lying in scala tympani. The silicone carrier of the array has been lightly stained with osmium so that it has a light brown color. Note that in the area indicated by the arrows the array is in direct contact with the lateral wall under the basilar membrane. From Roland PS, Wright C.G. Surgical aspects of cochlear