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Regionalization of the neural tube is a fundamental event in the development of the CNS. The isthmic organizer controls the development of the mesencephalic–rhombencephalic junction by means of fibroblast growth factor 8 (Fgf8) expression. The transcription factor paired box 2 (Pax2) is expressed early in the midbrain and is later progressively restricted to the mid-hindbrain region, playing an important...
Chick embryos are capable of functional spinal cord regeneration following crush injury until embryonic day 13. Developmental changes occurring thereafter result in failure to regenerate. Secondary injury mechanisms can result in apoptotic cell death and make a major contribution to cell loss after trauma. We report here that around embryonic day 13 there is a dramatic increase in blood vessel numbers...
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