EMBRYOLOGY
FERTILISATION EARLY DEVELOPMENT OF EMBRYO AND IMPLANTATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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its arms
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its muscles
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its brain
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its taste buds
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Detailed explanation-1: -Week 5: The neural tube (brain, spinal cord and other neural tissue of the central nervous system) forms. The tiny “heart” tube will beat 110 times a minute by the end of the fifth week. Week 6: Tiny buds that become arms and legs also develop.
Detailed explanation-2: -The fetal brain begins to develop during the third week of gestation. Neural progenitor cells begin to divide and differentiate into neurons and glia, the two cell types that form the basis of the nervous system. By the ninth week, the brain appears as a small, smooth structure.
Detailed explanation-3: -Around week 5, your baby’s brain, spinal cord, and heart begin to develop. Your baby’s brain is part of the central nervous system, which also houses the spinal cord.
Detailed explanation-4: -Epicotyl: The region of an embryo or seedling stem above the cotyledon. It grows rapidly, showing hypogeal germination, and extends the stem above the soil surface.