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Q. How does the embryo turn from gastrula into neurula? How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates?
The neurula stage is characterized by the appearance of the neural tube along the dorsal region of the embryo and the growth of mesoderm in that region induces the differentiation of ectodermal cells just above and these cells then differentiate forming the neural tube so the origin of the nervous system is the ectoderm the same germ layer that gives birth to the skin.
TEST TUBE BABY - Ova are fertilized in laboratory dish (in vitra) containing a nutrient broth . It may be artificial insemination donor (AID) / Artificial insemination h
How much of a 10% w/v of nacl can be made using 30g of nacl? Please show all steps.
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What is the physiological cause of the syndrome known as cretinism? Cretinism is caused by chronic deficiency of the thyroid hormones (T3 and T4) during childhood. The chronic
As heart failure sets in, there is activation of RAS (Fig 2.1). Adrenergic stimulation of beta-1 receptors in juxtaglomerular apparatus of the kidneys results in release of renin.
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