| 21. | They are called " end plates " because the postsynaptic terminals of muscle fibers have a large, saucer-like appearance.
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| 22. | In upgraded apparatuses the tough end plates are replaced with smooth, polished glass, with a small filter at the center.
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| 23. | The classical apparatus uses rough end plates-the whole surface of the piston head is made up of rough, porous filter.
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| 24. | Unthreaded implants, such as the Harms and Pyramesh cages have teeth along both surfaces that bite into the end plates.
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| 25. | The typical radiographic findings in DDD are black discs, disc space narrowing, vacuum disc, end plate sclerosis, and osteophyte formation.
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| 26. | A normal end plate potential usually causes the postsynaptic neuron to reach its threshold of excitation and elicit an action potential.
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| 27. | The use of two flues also has a strengthening effect, acting as two long rod stays that support the end plates.
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| 28. | Depolarisation of the motor end plate causes potassium ions to leave the muscle cells, repolarising the muscle and closing the calcium channels.
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| 29. | Black from top to bottom, with high-gloss end plates, the Mirage is 45 inches high, 14 inches wide and 7 inches deep.
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| 30. | When the growth is completed ( usually around the age of 17-18 ), then this end plate disappears on the MRI scans.
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