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Dissection in which the osseous lamina and basilar membrane have been removed so as to show the modiolar wall in the basal cochlear turn of an osmium-stained specimen. Neural elements associated with the modiolar wall are well displayed. “G” indicates the spiral ganglion. Peripheral (P) and central (C) processes of spiral ganglion cells are seen emerging from the ganglion along the length of the basal turn. ST, floor of scala tympani. This preparation shows the same anatomical features

The Wellstone Center at UT Southwestern is conducting several research projects into Duchenne muscular dystrophy (DMD).

Cross sections of the modiolus region showing veins coursing near the surface of the modiolar wall. In “A” the vein indicated by the arrow has a very thin covering of bone. In an adjacent section, shown in “B” , a similar vein (arrow) appears entirely exposed to the perilymphatic space. (In this case the vein does not contain RBC’s, but it certainly does appear to be a vein .) It would seem that such vessels might easily be injured by a perimodiolar electrode. OL, osseous lamina; SG, spiral

Cochlear dissection after insertion of an Advanced Bionics Thin Lateral electrode array designed to track the lateral wall of scala tympani. With this array, contacts are placed immediately beneath the basilar membrane. From Wright, CG, Roland PS, Kuzma J. Advanced Bionics Thin Lateral and Helix II electrodes: a temporal bone study. Laryngoscope 115(11);2005:2041-2045. Copyright Lippincott, Williams and Wilkins. Reproduced with permission. http://lww.com

1 Responses to Static (Isometric) Exercise Suggestions for Teachers Background Static exercise involves the contraction of skeletal muscle without a change in muscle length, hence the alternative term, isometric (iso = same, meter = length) exercise. Static exercise produces a cardiovascular response that differs significantly from that observed during dynamic exercise. Typical examples of static exercise include athletic events such as weight lifting, shot put, hammer throw, and everyday

1 What Effects Does Exercise Have on You? Suggestions for Teachers Purpose To explore the responses of the heart and blood pressure to exercise Objectives 1) To learn how to take a pulse and blood pressure reading 2) To learn how heart rate responds to exercise 3) To learn how blood pressure responds to exercise Materials • 16" high bench or step • blood pressure cuff (sphygmomanometer) • stethoscope • Graph paper, poster board or overhead transparencies to make heart rate and blood

1 DNA Extraction from Fruit (Adapted from Isolation of DNA from Onion—Woodrow Wilson 1993) Loretta Loykasek, Burleson High School, Burleson, TX Purpose To allow students to observe the DNA found in plant cells. This activity may be used from elementary science to high school biology courses. Background All food you eat comes from plant or animal sources. All plants and animals are composed of cells, which have basically the same parts. The DNA is contained within the nucleus of the cell

Cardiology Fellowship Programs UT Southwestern’s cardiology fellowships provide trainees with exciting opportunities to advance their knowledge and careers, and the field of medicine itself. Our clinical programs emphasize state-of-the-art clinical training with excellent volumes and faculty supervision, integrated with didactic instruction and innovative research. The Division of Cardiology currently has 45 fellows in its various programs, drawn from the top medical schools in the country

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Cochlear dissection after insertion of a cochlear implant electrode array (Advanced Bionics Thin Helix). The array has been colored blue to provide better contrast of the silicon carrier. The array lies in scala tympani and is situated beneath the translucent basilar membrane. The apical cochlear turn has been removed to provide an unobstructed view of the basal turn. From Wright, CG, Roland PS, Kuzma J. Advanced Bionics Thin Lateral and Helix II electrodes: a temporal bone study