In this article we will discuss about the analysis of nature and action of organizer in amphibian eggs. Grey crescent—its Role in Development: Wilhelm Roux (1888) first described the grey crescent in amphibian egg. The experiments of Rund and Spemann have emphasised the vital role of grey crescent in amphibian development (see Fig. 5.14). If […]
Analysis of Nature and Action of Organizer | Embryology
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Top 16 Stages of Embryology in Plants (With Diagram)
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The following points highlight the top sixteen stages of embryology in plants. Some of the stages are: 1. T.S. Young (developing) Anther 2. T.S. Anther Showing Four Mature Pollen Sacs 3. T.S. Mature Anther Showing Dehiscence 4. Pollen Tetrads 5. Pollen Grain 6. Ovule Types 7. L.S. Anatropous Ovule 8. Archesporial Initial 9. Two-celled Stage […]
Essay on the History of Embryology (2476 Words) | Biology
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This essay provides information about the History of Embryology! Life and death have been fascinating subjects and have remained mysteries from time immemorial. How living beings came into existence? What is death? What happens after death? All these have been interesting subjects to scientists and have remained unsolved mysteries. Fragmentary knowledge was available during different […]
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