Effect of Differential Adaptation of the Eyes upon Threshold Sensitivity
โ Scribed by MITCHELL, R. T.; LIAUDANSKY, L. H.
- Book ID
- 115378364
- Publisher
- Optical Society of America
- Year
- 1955
- Weight
- 540 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0030-3941
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๐ SIMILAR VOLUMES
A short introduction is given in ยง 1. In ยง 2 it is shown that one quantum of light absorbed by the photo-sensitive material in the eye suffices to give rise to the perception of light. In ยง 3 some relations are derived that are used in the discussions in ยง 4 and ยง 5. In ยง 4 and ยง 5 the attention is
## Abstract This study describes a whole embryo and embryonic field analysis of retinoic acid's (RA) effects upon __Xenopus laevis__ forebrain development and differentiation. By using in situ and immunohistochemical analysis of __pax6__, __Xbf1__, and tyrosine hydroxylase (TH), gene expression dur