Developmental changes in the fibre population of the optic nerve follow an avian/mammalian-like pattern in the turtle Mauremys leprosa

2006 ◽  
Vol 1113 (1) ◽  
pp. 74-85 ◽  
Author(s):  
Matías Hidalgo-Sánchez ◽  
Javier Francisco-Morcillo ◽  
Julio Navascués ◽  
Gervasio Martín-Partido
Keyword(s):  
Optic Nerve ◽  
Developmental Changes ◽  
Mauremys Leprosa

Early development of the optic nerve in the turtle Mauremys leprosa

2007 ◽  
Vol 1137 ◽  
pp. 35-49 ◽  
Author(s):  
Matías Hidalgo-Sánchez ◽  
Javier Francisco-Morcillo ◽  
Julio Navascués ◽  
Gervasio Martín-Partido
Keyword(s):  
Optic Nerve ◽  
Early Development ◽  
Mauremys Leprosa

Developmental changes in phosphorylation state of neurofilament proteins in the chick embryonic optic nerve

1989 ◽  
Vol 134 (1) ◽  
pp. 85-102 ◽  
Author(s):  
Masahiro J. Go ◽  
Hideaki Tanaka ◽  
Kunihiko Obata ◽  
Shinobu C. Fujita
Keyword(s):  
Optic Nerve ◽  
Developmental Changes ◽  
Neurofilament Proteins ◽  
Phosphorylation State

Developmental changes in the optic nerve related to ethanol consumption in pregnant rats: Analysis of the ethanol-exposed optic nerve

Teratology ◽  
1993 ◽  
Vol 48 (4) ◽  
pp. 305-322 ◽  
Author(s):  
Maria Dolores Pinazo-Duran ◽  
Jaime Renau-Piqueras ◽  
Consuelo Guerri
Keyword(s):  
Optic Nerve ◽  
Ethanol Consumption ◽  
Developmental Changes ◽  
Pregnant Rats

Developmental changes of aggrecan, versican and neurocan in the retina and optic nerve

2004 ◽  
Vol 79 (3) ◽  
pp. 351-356 ◽  
Author(s):  
Susanna Popp ◽  
Patrice Maurel ◽  
Julie S. Andersen ◽  
Richard U. Margolis
Keyword(s):  
Optic Nerve ◽  
Developmental Changes

Spherulitic crystal growth in the prodissoconch larval of Crassostrea virginica

1983 ◽  
Vol 41 ◽  
pp. 518-519
Author(s):  
George G. Cocks ◽  
Louis Leibovitz ◽  
DoSuk D. Lee
Keyword(s):  
Crystal Structure ◽  
Crassostrea Virginica ◽  
Crystal Orientation ◽  
Developmental Changes ◽  
Gastrula Stage ◽  
Orthorhombic Crystal ◽  
Orthorhombic Crystal Structure ◽  
Stages Of Growth ◽  
Early Stages ◽  
Initial Deposition

Our understanding of the structure and the formation of inorganic minerals in the bivalve shells has been considerably advanced by the use of electron microscope. However, very little is known about the ultrastructure of valves in the larval stage of the oysters. The present study examines the developmental changes which occur between the time of conception to the early stages of Dissoconch in the Crassostrea virginica(Gmelin), focusing on the initial deposition of inorganic crystals by the oysters.The spawning was induced by elevating the temperature of the seawater where the adult oysters were conditioned. The eggs and sperm were collected separately, then immediately mixed for the fertilizations to occur. Fertilized animals were kept in the incubator where various stages of development were stopped and observed. The detailed analysis of the early stages of growth showed that CaCO3 crystals(aragonite), with orthorhombic crystal structure, are deposited as early as gastrula stage(Figuresla-b). The next stage in development, the prodissoconch, revealed that the crystal orientation is in the form of spherulites.

Oligodendrocytes in Developing Hameter Cerebral Cortex

1976 ◽  
Vol 34 ◽  
pp. 126-127
Author(s):  
MB. Tank Buschmann
Keyword(s):  
Cerebral Cortex ◽  
Optic Nerve ◽  
Frontal Cortex ◽  
Osmium Tetroxide ◽  
Sodium Cacodylate Buffer ◽  
Sodium Cacodylate ◽  
Tissue Samples ◽  
Cacodylate Buffer ◽  
Layer V ◽  
Adult Hamster

Development of oligodendrocytes in rat corpus callosum was described as a sequential change in cytoplasmic density which progressed from light to medium to dark (1). In rat optic nerve, changes in cytoplasmic density were not observed, but significant changes in morphology occurred just prior to and during myelination (2). In our study, the ultrastructural development of oligodendrocytes was studied in newborn, 5-, 10-, 15-, 20-day and adult frontal cortex of the golden hamster (Mesocricetus auratus).Young and adult hamster brains were perfused with paraformaldehyde-glutaraldehyde in sodium cacodylate buffer at pH 7.3 according to the method of Peters (3). Tissue samples of layer V of the frontal cortex were post-fixed in 2% osmium tetroxide, dehydrated in acetone and embedded in Epon-Araldite resin.

Transethmoid Decompression of the Optic Nerve

1985 ◽  
Vol 18 (1) ◽  
pp. 125-137
Author(s):  
J. David Osguthorpe
Keyword(s):  
Optic Nerve
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