Influence of indomethacin on lens regeneration in the newt notophthalmus viridescens
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چکیده
منابع مشابه
Role of the neural retina in newt (Notophthalmus viridescens) lens regeneration in vitro.
Removal of the lens from the eye of an adult newt (Notophthalmus viridescens) is followed by regeneration of a new lens from the dorsal iris epithelial cells at the pupillary margin. This process is dependent upon the neural retina for its normal completion in vivo and in vitro. To examine the relationship between the retina and lens regeneration, we have conducted experiments that delimit the ...
متن کاملA scanning electron microscopic and quantitative histologic description of lens regeneration in the newt, Notophthalmus viridescens.
Adult newts (Notophthalmus viridescens) were lentectomized and a t intervals from 4 to 21 days after lentectomy iridocorneal complexes from these animals were examined by scanning electron microscopy to allow a full appreciation for the shape of the regenerating lens. Until around day 12 after lentectomy the posterior surface of the iris is covered by a dense mat of fibrous material which canno...
متن کاملThe “False Breeding Season” of the Eastern Newt, Notophthalmus viridescens
The terrestrial red eft stage is so different from the body form of the aquatic adult of the eastern newt that the two were considered separate species for nearly 60 years. Some populations lack the eft stage whereas in other populations the adults are aquatic only during the breeding season. In populations in which the adults are permanently aquatic or migrate to breeding ponds in fall, an aut...
متن کامل5S ribosomal RNA genes of the newt Notophthalmus viridescens.
The genes which code for the 5S ribosomal RNA in the newt, Notophthalmus viridescens have been cloned and analyzed. Two types of repeating unit were detected: a major type consisting of a 120 bp coding region with a 111 bp spacer, and a minor type composed of a coding region, a pseudogene, and a 113 bp spacer. The pseudogene is a 36 bp segment which corresponds to the 3' terminal third of the 5...
متن کاملThe Eastern red-spotted newt Notophthalmus viridescens uses
the geomagnetic field for two forms of spatial orientation: (1) shoreward orientation, which utilizes only directional (‘compass’) information (Phillips, 1986a,b; Phillips and Borland, 1992a,b; Deutschlander et al., 1999a,b, 2000; Phillips et al., 2001) and (2) map-based homing orientation (‘true navigation’), which utilizes both compass and geographic position (‘map’) information (Phillips, 19...
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ژورنال
عنوان ژورنال: Wilhelm Roux's Archives of Developmental Biology
سال: 1977
ISSN: 0340-0794,1432-041X
DOI: 10.1007/bf00848434