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Scanning Electron Microscopic Study Of The Postnatal Development Of The Rabbit Cochlea, With An Emphasis On Innervation, Hirofumi Morita, Tomoyuki Hoshino, Kunihiro Mizuta, Satoshi Iwasaki
Scanning Electron Microscopic Study Of The Postnatal Development Of The Rabbit Cochlea, With An Emphasis On Innervation, Hirofumi Morita, Tomoyuki Hoshino, Kunihiro Mizuta, Satoshi Iwasaki
Scanning Microscopy
The development of nerve fiber arrangements of the organ of Corti was studied in rabbits 1, 3, 5, 7 and 12-days-old using thick sections from celloidin-embedded cochleas which were examined under a scanning electron microscope. The arrangements of nerve fibers varied with developmental age. The tunnel spiral bundle was thick and loosely collected in the immature cochlea. The outer spiral fibers were recognized even in the narrow space of Nuel in the one-day-old cochlea. As Nuel's space is extending, the fibers course along the medial side of Deiters' cells. The arrangement of the outer spiral fibers was irregular and sparse …
Enhancers Of Gzp1, A Gene Required For Cell-Signaling In Caenorhabditis Elegans, Define A Set Of Genes Required For Germline Development, Li Qiao, James L. Lissemore, Pei Shu, Anne Smardon, Melanie B. Gelber, Eleanor M. Maine
Enhancers Of Gzp1, A Gene Required For Cell-Signaling In Caenorhabditis Elegans, Define A Set Of Genes Required For Germline Development, Li Qiao, James L. Lissemore, Pei Shu, Anne Smardon, Melanie B. Gelber, Eleanor M. Maine
Biology - All Scholarship
The distal tip cell (DTC) regulates the proliferation or differentiation choice in the Cmorhabditis ekgans germline by an inductive mechanism. Cell signaling requires a putative receptor in the germline, encoded by the glp-1 gene, and a putative signal from the DTC, encoded by the lag-2 gene. Both glp-1 and lag-2 belong to multigene gene families whose members are essential for cell signaling during development of various tissues in insects and vertebrates as well as C. elegans. Relatively little is known about how these pathways regulate cell fate choice. To identify additional genes involved in the glp-1 signaling pathway, we carried …