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"Eyeless" gene (Pax 6)
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"Eyeless" gene (Pax 6)
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Facial nerve Term Analysis |
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Hedgehog gene and sonic hedgehog gene
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If you want to understand the wiring and plumbing in my building, you have to understand its history, how it was renovated for each new generation of scientists. My head has a long history also, and that history explains complicated nerves like the trigeminal and the facial.
What I've just given you is one of the big tricks for understanding the most complicated cranial nerves and large portions of the head. When you think trigeminal nerve, think first arch. Facial nerve, second arch.