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?

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After finding it hard to understand this topic, I think you've done justice to me understanding it by force. You've just earned a new subscriber 🎉🎉

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Don't forget to watch the video on gastrulation. And please share in your college group

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The fact that you reply to every comment ❤️❤️ thanks sir

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I generally try to reply to every one. Please help me by sharing my channel link with your friends .

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Thank you! I have now finally understood this topic!!!

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Thank you for making its understandable from exam perspective

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Finally I'm find a best video and satisfied sir 😌😊

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[@zeenathjaveed8045]

Excellent explanation.... thankyou

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Very easy to understand. THANK U SIR

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Love your video. Thank you!

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[@annapurnaharapanahalli2860]

So good and understanding clearly video tq for giving detail information

[@animatedbiologywitharpan]

Here is the link for gastrulation kzbin.info/www/bejne/nWiYgmdjo7eelZI

[@animatedbiologywitharpan]

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[@mcp.2347]

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 😁😊

[@animatedbiologywitharpan]

so cute. thanks.

[@animatedbiologywitharpan]

Take a look what happens in 3rd week kzbin.info/www/bejne/lZ6Zo5mqnsh_nNU

[@animatedbiologywitharpan]

I hope you are taking the iron and folic acid tablets

[@mcp.2347]

@@animatedbiologywitharpan I am, thanks again

[@mcp.2347]

@@animatedbiologywitharpann will watch other vid for sure 😊👌

[@sonali-vb7bq]

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

[@animatedbiologywitharpan]

Thanks . Checkout the develolmental biology playlist kzbin.info/aero/PLKtiwIJ8Q7rruflUezPJV0pZBIKLmEJE_&si=062j1VdwG1j4XyS1

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Thank you so much 💓 you are the best❤

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@animatedbiologywitharpan that's my pleasure. I'm a leader of many groups in college, and I will share it in my groups . Thank you so much 💓 doctor ❤️

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You are amazing bro 👌

[@animatedbiologywitharpan]

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[@user-lv8sg2wr1h]

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.

[@parvatiwarkad3226]

Ya it's correct

[@nimishabhosle4112]

He is right … syncytiotrophoblast secrete hcg

[@bitty_berry9800]

Yes

[@EmmanuelLyachu]

Exactly 💯

[@adaniifeoma6829]

Nice Job Sir

[@animatedbiologywitharpan]

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[@mohammadaminamini8119]

Hello sir I hope that you are fine and doing well You said in the video that at day 10 primitive yolk sac form but the primitive yolk sac form at day 9. At day 9 at the embryonic pole flattened cell probably originating from the hypoblast from a thin membrane call exocoelomic membrane or Heuser membrane lines the inner surface of cytotrophoblast then this membrane form a new cavity called primitive yolk sac. I can say that at day 10 no significant events occurs.

[@user-os6fs5cw2b]

Do you have a video about ( normal mechanism of labour 🤔) ?

[@animatedbiologywitharpan]

Nope

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Thank you ❤

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Thank you

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i couldn't find the flash cards in the community post as well as your Instagram...tell me where can i get the falsh cards...and Thanks a lot for the mind-blowing concept

[@animatedbiologywitharpan]

ok. our team will upload it one again. please share my channel link with your friends.

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thank you sooo much!!!

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@@animatedbiologywitharpan sure!!!.. your channel is amazing and it will be recognized and grow beautifully no doubt .. thank you so much for your hard work (=^_^=)

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Salam7905 Embryology in quran kzbin.info/www/bejne/nH3akH6rZ9eGrLssi=MgZotPDIoKsE0Zrn

[@shryf742]

Thanks alot

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[@azranurengin4984]

teacher from my source which is Moore . As I know syncytiotrophoblast produce proteolytic enzymes not cytotrophoblast please correct me if I’m wrong

[@clintcanguit46]

Thank you!

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Clintcanguit46 Embryology in quran kzbin.info/www/bejne/nH3akH6rZ9eGrLssi=MgZotPDIoKsE0Zrn

[@sherrychen9149]

So when can we detect HCG? On day 10 of blastocyst development?

[@animatedbiologywitharpan]

yes day 10 beyond, not before day 10

[@GuluzarGulnurItez]

Thanks you so much

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@@animatedbiologywitharpan Right now im watching this 😅 i will share 🙂👍🏻

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Guluzargulnertez Embryology in quran kzbin.info/www/bejne/nH3akH6rZ9eGrLssi=MgZotPDIoKsE0Zrn

[@esmailal-zahri7340]

good

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Thanks ❤

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Ilongir Embryology in quran kzbin.info/www/bejne/nH3akH6rZ9eGrLssi=MgZotPDIoKsE0Zrn

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ارجل مين شرح 💯💯

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Good exposee

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Lengwehabrine Embryology in quran kzbin.info/www/bejne/nH3akH6rZ9eGrLssi=MgZotPDIoKsE0Zrn

[@dr.user.]

mich appreciated

[@user-zw3nm1ze7s]

i beg to differ, the video says that the cytotrophoblast secrets the proleotyic enzyme but i think its the syncitiotrophoblast.correct me if i am wrong

[@mateuvillanueva7814]

the yolk sac??

[@tinkudas5651]

10 days ego my two blastocysts embroy transfer how i fell pregnant? Two blastocysts embroy transfer become twins?

[@animatedbiologywitharpan]

I couldn't understand the question

[@ahmedadly7492]

I couldn't find the flash cards

[@animatedbiologywitharpan]

We have now removed it, it's not available anymore for free

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👍👍👍

[@animatedbiologywitharpan]

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[@EnglishVinglishsikho]

I have 6 day of et but i don't have any symptoms m worried

[@animatedbiologywitharpan]

In six days you would not find anything

[@EnglishVinglishsikho]

@@animatedbiologywitharpan then In which day will I get symptoms

[@EnglishVinglishsikho]

@@animatedbiologywitharpan sir I have faint line on 9th day means

[@EnglishVinglishsikho]

@@animatedbiologywitharpan sir 9th day 11 day faint line aai

[@joyash6038]

It's day 10 after ef I don't have any symptoms...iam so worried

[@animatedbiologywitharpan]

its to early to have any symptoms. but anyway please consume more vitamin B9 or folic acid. this is crucial for brain development of fetus.

[@mrswar2674]

i had implantion on the 8th day but i mean that im pregnant but now i got period so implantion is not early pregnant coz i got period plz reply ill wait ur ans

[@animatedbiologywitharpan]

Please consult a doctor , I don't provide medical advise online

[@user-rt9bj7zt2d]

(We created the human from an essence of clay: (12) Then We made him, a drop, in a secure receptacle (the womb) Then We created of the drop, a clot (of congealed blood) and We created the clot into bitesize tissue, then We created the bitesize tissue into bones, then We clothed the bones with flesh, and then produced it an other creation. Blessed is Allah, the Best of creators! (14) Quran . Sura 23: AL-MUMENOON (THE BELIEVERS) - verse 12--14

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Sir Hindi me class lijye na🙏🙏

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i would have a course in hindi soon

[@Weerasinghe2007]

thogeh ammata

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Weerasinghe2007 Embryology in quran kzbin.info/www/bejne/nH3akH6rZ9eGrLssi=MgZotPDIoKsE0Zrn

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this is ohio

[@animatedbiologywitharpan]

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[@Zurogt]

Why are there car sounds around you lol can’t you find a silence place to make a short 7 mins video

[@animatedbiologywitharpan]

Unfortunately my apartment is close to a busy road

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Thanks🙏🏾

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[@DAALMAKEUP]

Keith L. Moore (2016)'s book "Before we were born" pg 24 states it is the syncytiotrophoblast that produces these proteolytic enzymes. Could I have some clarification as to if it was syncytiotrophoblast or cytotrophoblast which is responsible for this action please?

[@animatedbiologywitharpan]

Which proteolytic activity you are talking about

[@Pathology_OG]

​@@animatedbiologywitharpanit is via the help of proteolytic enzymes secreted by syncitiotrophoblast that the blastocyst implants. If syncitiotrophoblast does not release the proteolytic enzymes, the blastocyst can never penetrate the endometrium.. Hence when you are writing that cytotrophoblast are responsible for implantation, it's wrong.

[@shortvideos1613]

Very nice lecture pls make more videos on development biology specially make a video on molecular basis of fertilization there is no proper video on this topic on whole KZbin channel pls make a single video on it It will be helpful for students Thanks for making the topic easy ❤

[@animatedbiologywitharpan]

yes i will do it

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👍

[@deepakpatil7420]

very very good..

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[@chandanasultana7235]

Thank you for nice explanation

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[@evansakamwitumwa2643]

Sir can I have a guide to the books were using for embryology, Well explained thanks

[@animatedbiologywitharpan]

You mean human embryology right?

[@animatedbiologywitharpan]

I would recommend Larson's Human embryology. Pdf available in PDF drive.

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Bless you sir

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@@animatedbiologywitharpan I'll share with my course mates

[@adorehellenmundia2102]

At what stage can you detect HCG in urine ?

[@animatedbiologywitharpan]

you can detect hCG in your urine 12-15 days after ovulation

[@aliyubaurasulaiman9878]

Nice video, thank you soo much for making it simple and understandable

[@animatedbiologywitharpan]

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[@crazyruby290]

Very well Explained

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Crazy ruby290 Embryology in quran kzbin.info/www/bejne/nH3akH6rZ9eGrLssi=MgZotPDIoKsE0Zrn

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you saved me omg thank you a lotttt !!!!!!!

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[@SimonShababGillVlogs]

That's better👌👌

[@edeepthi1863]

excellent explanation.... Please do more videos on 1st trimester2nd and 3rd also...

[@mixx4u33]

are you doctor or teacher

[@animatedbiologywitharpan]

I am a Researcher

[@mixx4u33]

@@animatedbiologywitharpan don't mind I asked this . I watched your video it's very helpful

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👏👏

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Please share this video with your friends

[@user-ui3kl9jo7k]

@@animatedbiologywitharpan l did it 😊

[@Aquarius_Love333XO]

Which stage of implantation does implantation bleeding ? Is it at the beginning or after it has fully implanted?

[@animatedbiologywitharpan]

Implantation bleeding is defined as a small amount of light spotting or bleeding. It typically occurs about 10 to 14 days after conception. Implantation bleeding is common, and it usually isn't a sign of a problem. Implantation bleeding is thought to happen when the fertilized egg attaches to the lining of the uterus

[@jasmund3]

@@animatedbiologywitharpan when i should test for my pregnancy?

[@josegarciavera3495]

Where can you get the icons and templates of the presentation? Thanksss!!

[@animatedbiologywitharpan]

You have to buy @5$ Please eamil me at [e-mail] if interested

[@vlogsmk3767]

Am thankful to u for making such amazing informative lectures

[@animatedbiologywitharpan]

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[@dipruchab6501]

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

[@animatedbiologywitharpan]

Thanks for your suggestion, I will make a video on that

[@diarabekesh4315]

thanks, this explanation is the best one))

[@animatedbiologywitharpan]

please share with your friends

[@logenismyname8842]

Where Can I find the flash cards?

[@animatedbiologywitharpan]

If you join the channel you will see flash cards in the community posts

[@logenismyname8842]

@@animatedbiologywitharpan oh Thanks

[@logenismyname8842]

Thank you bro Can You finish this series ?

[@animatedbiologywitharpan]

Yes yes , lectures are on their way

[@logenismyname8842]

@@animatedbiologywitharpan Thank . Can you describe the Heart embryology it difficult to me

[@rubinaparveen243]

Very good sir thnkss

[@animatedbiologywitharpan]

In order to make high quality content consistently, we need support from you. Please support us by using super thanks option. Super thanks icon is present below the video ( a heart sign with $ in it ) . You can support using paytm/ phone pe/ gPay / paypal. Small contribution like Rs50/100 means a lot for us.

[@humadikn9923]

Wah explained very well thank u so much, Can I expect the next 36 weeks video also or atleast next 14weeks

[@animatedbiologywitharpan]

Really glad to know it was useful. Please follow my instagram page and facebook page. Please share my youtube channel link with your friends and help me to reach big audiance I'm on facebook & Instagram as @animatedbiologywitharpan. Install the app to download notes and flash cards. instagram.com/invites/contact/?i=1p41h314q3fv8& You can support the channel by clicking on the super like icon below the video ( a heart sign with $ in it ) . You can support using paytm/ phone pe/ gPay / paypal. Your small contribution means a lot for me

[@animatedbiologywitharpan]

Yes 3rd week coming soon

[@sudeshnanath4410]

waiting for the next video

[@animatedbiologywitharpan]

Gastrulation would be uploaded soon (80% done )

[@sudeshnanath4410]

this animation is awesome

[@animatedbiologywitharpan]

Please share with friends

[@chidiebereonyebuchi2736]

Is it possible to change the genotype of the fertilized egg or the embryo

[@chidiebereonyebuchi2736]

And at what stage can the genotype be changed?

[@animatedbiologywitharpan]

Its unethical. I an not providing any info

[@chidiebereonyebuchi2736]

I’m just asking if it’s possible?

[@chidiebereonyebuchi2736]

@@animatedbiologywitharpan what I really mean is, if it possible to change the genotype of the egg before fertilization

[@animatedbiologywitharpan]

Yes using the genome editing tool CRISPR-Cas9 it is possible ( but it not possible at the same tine due to strict bioethics)

[@sourav7606]

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

[@animatedbiologywitharpan]

Really glad to know it was useful. Please follow my instagram page and facebook page. Please share my youtube channel link with your friends and help me to reach big audiance I'm on facebook & Instagram as @animatedbiologywitharpan. Install the app to download notes and flash cards. instagram.com/invites/contact/?i=1p41h314q3fv8& You can support the channel by clicking on the super like icon below the video ( a heart sign with $ in it ) . You can support using paytm/ phone pe/ gPay / paypal. Your small contribution means a lot for me

[@animatedbiologywitharpan]

Please share in your college group

[@aneetapaul7738]

Amazing explanation with pictures

[@animatedbiologywitharpan]

Really glad to know it was useful. Please follow my instagram page and facebook page. Please share my youtube channel link with your friends and help me to reach big audiance I'm on facebook & Instagram as @animatedbiologywitharpan. Install the app to download notes and flash cards. instagram.com/invites/contact/?i=1p41h314q3fv8& You can support the channel by clicking on the super like icon below the video ( a heart sign with $ in it ) . You can support using paytm/ phone pe/ gPay / paypal. Your small contribution means a lot for me

[@earthplanet6783]

Dope

[@animatedbiologywitharpan]

Really glad to know it was useful. Please follow my instagram page and facebook page. Please share my youtube channel link with your friends and help me to reach big audiance

[@user-mr5xg2nd8p]

Earthplanet 6783 Embryology in quran kzbin.info/www/bejne/nH3akH6rZ9eGrLssi=MgZotPDIoKsE0Zrn

[@institutex5501]

YOUR VIDEOS ARE A LIFESAVER! 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 :)

[@animatedbiologywitharpan]

Really glad to know it was useful. Please follow my instagram page and facebook page. Please share my youtube channel link with your friends and help me to reach big audiance

[@animatedbiologywitharpan]

The animation regarding 3rd week is bit complicated and its in the process of making. Gastrulation is a difficult concept to simplify.

[@akindoyedaniel3657]

What appears in the extraembryonic mesoderm?

[@animatedbiologywitharpan]

The extraembryonic mesoderm supports the epithelium of the amnion and yolk sac as well as the villi, which arise from the trophoblastic tissue. It also is involved in the development of the fetal blood. The extraembryonic mesoderm of the chorion, chorionic villi, and body stalk originates in the caudal margin of the primitive streak which develops in 12- to 14-day human and macaque embryos.

[@goddessdiaries8642]

Thank you so much. Well explained

[@animatedbiologywitharpan]

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[@user-rt9bj7zt2d]

(We created the human from an essence of clay: (12) Then We made him, a drop, in a secure receptacle (the womb) Then We created of the drop, a clot (of congealed blood) and We created the clot into bitesize tissue, then We created the bitesize tissue into bones, then We clothed the bones with flesh, and then produced it an other creation. Blessed is Allah, the Best of creators! (14) Quran . Sura 23: AL-MUMENOON (THE BELIEVERS) - verse 12--14

[@siyyadulasrilakshmi4627]

Good explanation brother

[@animatedbiologywitharpan]

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[@nubunbilek9965]

Well it was really great video but can you also talk about the hormones for example how HCG effects the women body and which cells produce it…

[@animatedbiologywitharpan]

True , i have created another video on that topic actually

[@animatedbiologywitharpan]

Thanks for your suggestion 😊

[@user-maath]

You are legend ♥️

[@animatedbiologywitharpan]

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[@sowmyapillarisetty8975]

Thank you sir

[@jayaupadhyay5030]

The explanation is great. Looking forward for more videos on this topic.

[@animatedbiologywitharpan]

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[@Ruthology]

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!

[@animatedbiologywitharpan]

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[@msk.7878]

Great explanation, animation and dates thank you

[@animatedbiologywitharpan]

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[@shawnmulberry774]

Question: what software(s) do you use to animate your videos? Everything is very nicely done. Simple and quite effective.

[@animatedbiologywitharpan]

Adobe illustrator to make the graphics and animations are done in PowerPoint, but one do not need illustrator, only PowerPoint is good enough

[@hopeacademykohlu1567]

Nice sir

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please share these videos with friends