'Gastrulation' word is derived from Greek word 'gaster' meaning stomach and according to McEwen (1923), gastrulation refers to the formation of the primordial gastric gut or cavity called the archenteron.
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Q1
The literal meaning of "gastrulation" is
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Q2
Why is gastrulation considered a dynamic event in embryonic development? Describe the formation of three germ layers. Name one part formed by each layer.
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Q3
The key events in embryo development are given below which is the correct order of seequences i) organogenesis ii) Fertilization iii) Gastrulation iv) Neurulation v) Cleavage
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Q4
Gastrulation is characterised by the formation of:
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Q5
Organogenesis refers to differentiation and formation of roots and shoots.