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Zebrafish embryo 48 hours after fertilization, the arrows indicate four neurons Rohona-Beard[1]

Rohona-Beard cells - specialized neurons with mechanoreceptor function occurring at the stage of embryonic development in the dorsal part of the spinal cord in fish and amphibians.[2]

Rohona-Beard neurons are developing on the border between ectoderm epidermal (surface) and neuroectoderm, first in the order of receptor neurons.[3]

In most species disappear in the course of ontogenetic development (eg in zebrafish during the first two days of development, at the larval to be, replaced by a dorsal root ganglion of spinal nerves)[4] by apoptosis.[5]

The biological sciences are the subject of research on apoptosis.

John Beard and Joseph Victor Rohon described them independently of each other.

See also

References

  1. ^ Shimada, N.; Sokunbi, G.; Moorman, SJ. (2005). "Changes in gravitational force affect gene expression in developing organ systems at different developmental times". BMC Dev Biol. 5: 10. doi:10.1186/1471-213X-5-10. PMID 15927051. {{cite journal}}: Cite has empty unknown parameter: |month= (help)CS1 maint: unflagged free DOI (link)
  2. ^ Fox, Harold (1984). Amphibian morphogenesi. Clifton, N.J.: Humana. ISBN 0-89603-043-1.
  3. ^ {Rossi, CC.; Kaji, T.; Artinger, KB. (2009). "Transcriptional control of Rohon-Beard sensory neuron development at the neural plate border". Dev Dyn. 238 (4): 931–43. doi:10.1002/dvdy.21915. PMID 19301392. {{cite journal}}: Unknown parameter |month= ignored (help)
  4. ^ Kanungo, J.; Zheng, YL.; Mishra, B.; Pant, HC. (2009). "Zebrafish Rohon-Beard neuron development: cdk5 in the midst". Neurochem Res. 34 (6): 1129–37. doi:10.1007/s11064-008-9885-4. PMID 19067160. {{cite journal}}: Unknown parameter |month= ignored (help)
  5. ^ Reyes, R.; Haendel, M.; Grant, D.; Melancon, E.; Eisen, JS. (2004). "Slow degeneration of zebrafish Rohon-Beard neurons during programmed cell death". Dev Dyn. 229 (1): 30–41. doi:10.1002/dvdy.10488. PMID 14699575. {{cite journal}}: Unknown parameter |month= ignored (help)