Implantation of the blastocyst | Week 2 of embryonic development | Developmental biology

Week 2 is often referred to as the week of twos. It's the week when the embryoblast, extraembryonic mesoderm and trophoblast each separate into two distinct layers. Additionally, there are two cavities that develop within the embryonic unit at this time as well. The following questions would be answered in this video:
What happens in the second week of embryonic development?
What are the 4 stages of embryonic development?
What is the fertilized egg called after about 2 weeks of development?
What are the 5 stages of embryonic development?
How long does it take for a blastocyst to implant?
Where does blastocyst implant in uterus?
What happens in the blastocyst stage?
What helps blastocyst implantation?

[ramkrishnamandal]

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[harsheetagupta]

Thank you for making its understandable from exam perspective

[livemyhappy]

I was looking for an explanatory video/ pdf with info on this subject. This is perfect - thank you very much!! Looking forward to the videos that follow regarding the next stages of development!

[emmanuelolayiwola]

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[institutex]

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The concepts were super easy to visualize and clear to understand thanks to you!
Keep up the great work and also waiting for the video on third week of development :)

[MsAbby.]

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[HibaNawaf-vd]

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[ChideraNwagu-di]

I am sorry to say but you made a mistake. You said that the cytotrophoblast is what scretes proteolytic enyzmes when it is actually the syncytiotrophoblast.

[vanamojumythri]

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[Lukemakesprs]

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[bluedragonacupuncture]

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[mcp.]

Thank you for your video n all of detail information. I'm using your video to visualize my baby growth day to day. Very helpful to calm my mind 😁😊

[HealthyHomeHealthychildren]

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[IbrahimYasmeen-qtrd]

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Thanks so much ❤🎉❤

[sonali-vbbq]

Great explanation. thank you so much sir, for making it understandable.🥺🙏🙏🙏

[JustinaIgwe-hnvc]

This is a wonderful video, it has helped me understand blastulation.

[sourav]

Best video on implantation for a Bachelor student, I guess!!!

[dipruchab]

Bro, can u pls make video on progesterone during fertilization and implantation how it works... Thanks..

[Viz_lifelore]

First week: blastula

Second week: implantation
Uterine wall attachment
Trophoblast and inner cell mass
Some Cyto trophoblast forms syncytotrophoblast: exchange
Day 8: hypoblast and epiblast
Amniotic cavity
Day 10: hypoblast forms primitive yolk sac
Lacunae burrow deep in endometrium

Day 12: lacunae invades maternal sinusoids

Chorionic cavity, primitive stalk/future umbilical cord

[rmvmulti-specialityveterin]

At 1:24 minutes, the other cells near to trophoblast single layer ... Is that also cells derived from Trophoblast layer??