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Fetal development in pregnancy - Coggle Diagram
Fetal development in pregnancy
Step Embrioginesis
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- Morulla : 2nd day of fertilization the zygote divides to produce 4 blastomer cells. 3rd day the zygote continues to divide - 16 blastomeric cells form a mulberry-like structure called the morula , endoderm ,mesoderm and ektoderm.
- Blastokista : When fluid accumulates between the blastomeres, a fluid-filled space forms in the center (mulberry) called a blastocyst. Cleavage to form a blastocyst occurs in the oviduct flowing into the uterus 4-5 days after fertilization, and implantation is complete 12 days after fertilization.
- Gastrulasi : occurs during the 2nd week of embryonic development. produce 3 layers of primary germinal layer
- Cleavag :The zygote divides by mitosis along the fallopian tube. The results are called blastomerese
Organogenesis ;
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Neurulasi : formed after the embryo undergoes neurulation, neurulation forms a neural tube from the neural plate, there are remnants of nerve cells in the neurulation to the neural crest.
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organogynetic process
Histogenesis : the process of differentiation of cells that previously did not have a function to become cells that have special cells.
Organogenesis: starting at the end of the 3rd week and ending in the 8th week, with the end of organogenesis, the external characteristics and main organ systems have been formed, which is then called the embryo fetus
Transformation and Differentiation: the result of this special differentiation process is the formation of new proteins in the cell
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Mitosis
Defenisis
cell division event that produces two daughter cells with the same number of chromosomes as the parent cell
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Meiosis
Defenisis
cell division that results in 4 daughter cells, each of which has half the number of chromosomes as the parent cell
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Fetal nutrition
Carbohidrate, fats end proteins
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