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Keywords: degeneration
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Journal Articles
J Exp Biol (2011) 214 (13): 2248–2257.
Published: 1 July 2011
.... Rainbow trout undergo a natural process of cone cell degeneration during development and this change in photoreceptor distribution is regulated by thyroxine (T4; a thyroid hormone). In an effort to further understand the role of T4 in photoreceptor ontogeny and later developmental changes in photoreceptor...
Journal Articles
J Exp Biol (2010) 213 (18): 3144–3149.
Published: 15 September 2010
.... These results suggest that the amputation and regrowth of the tentacle are accompanied by the respective degeneration and re-innervation of olfactory nerves, and these changes in the innervation status affect the basal state of LFP oscillation. The nervous system of terrestrial mollusks exhibits a robust...
Journal Articles
J Exp Biol (2010) 213 (3): 493–501.
Published: 1 February 2010
...J. C. Raine; A. B. Coffin; C. W. Hawryshyn SUMMARY Rainbow trout possess ultraviolet-sensitive (UVS) cones in their retina that degenerate naturally during development. This phenomenon can be induced with exogenous thyroxine [T4, a thyroid hormone (TH)] treatment. However, the previous T4 exposure...
Journal Articles
J Exp Biol (2009) 212 (17): 2781–2788.
Published: 1 September 2009
...J. C. Raine; C. W. Hawryshyn SUMMARY Rainbow trout undergo natural cone degeneration and thus are interesting models for examining mechanisms of neural degeneration. They have ultraviolet-sensitive (UVS) cones that are lost over most of the retina during development; only a small functional...
Journal Articles
J Exp Biol (1992) 167 (1): 119–154.
Published: 1 June 1992
... from a complicated interdigitation with processes from the muscle fiber and from their relationship with the nerve terminal. As degeneration proceeds, this allows a greater area of contact between each nerve terminal and the muscle fiber. Within each junction there is a mixture of both functional...
Journal Articles
J Exp Biol (1992) 167 (1): 61–89.
Published: 1 June 1992
...Ioana M. Sonea; Mary B. Rheuben ABSTRACT In Manduca sexta the decline in neuromuscular function during metamorphic degeneration was compared in two muscles which differed characteristically with regard to pre- and postsynaptic physiological properties. In both muscles, morphological evidence...
Journal Articles
J Exp Biol (1992) 167 (1): 91–117.
Published: 1 June 1992
...Mary B. Rheuben ABSTRACT The ultrastructural changes associated with the early stages of degeneration of the larval mesothoracic muscle fibers of Manduca sexta were examined during the prepupal period and on the first day after ecdysis. Over this 5 day period, the muscle fibers decrease in cross...