fertilization and development
نص القصة المصورة
- Yes, sir!
- endoderm: digestive systen, respiratory system
- mesoderm: bones, muscle internal structure
- ectoderm: nervous system, skin, hair, mouth
- After the implantation, process of differentation which leads to gastrulation occurs. Gasturaltion is when the embryo have the 3 layers that later will be developed into parts of our body!
- Hello everyone! Do you want to know how we all are born?
- Process: 1. Fertilization
- It starts after women release egg cells from ovary to the fallopian tube (ovulation). Egg cells then are fertilized by sperm cells there! Remember everyone, every children starts with fertilization!
- And laslty, the process of neurulation follows. It is when neural tube is formed from the ectoderm that later will be developed into central nervous system: brain and spinal cord
- Ah, I've heard about this! Later, the fertilized egg is called a zygote, right?
- Process:1. Fertilization2. Implantation
- Correct! The zygote then will undergoes mitosis, and will be changed into merula, and then blastocyst. The blastocyst then will be implanted in the uterus wall!
- Funfact: a zygote has 46 chromosomes!
- I will also explain about the later development
- Process: 1. Fertilization 2. Implantation 3. Gastrulation
- Process:1. Fertilization2. Implantation 3. Gastrulation
- Process:1. Fertlization 2. Implantation 3. Gastrulation 4. Neurulation 5. Placenta
- Process:1. Fertilization 2. Implantation 3. Gastrulation 4. Neurulation 5. Placenta
- SIr, my mom also told me that a placenta will be developed to provide food and oxygen to the fetus from the mother
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