Down syndrome (trisomy 21) - causes, symptoms, diagnosis, & pathology

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  • Опубликовано: 27 июл 2016
  • What is Down syndrome (trisomy 21)? Down syndrome is a set of symptoms that arise from a genetic abnormality, in which an individual's cells have an extra copy of chromosome 21. Find our full video library only on Osmosis: osms.it/more.
    Join millions of current and future clinicians who learn by Osmosis, along with hundreds of universities around the world who partner with Osmosis from Elseiver to make medical and health education more engaging and efficient. We have unparalleled tools and materials to prepare you for success in school, on your board exams, and as a future clinician. Sign up for a free trial at osms.it/more. If you're interested in exploring an institutional partnership, visit osmosis.org/educators to request a personalized demo.
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    Medical disclaimer: Osmosis from Elsevier does not provide medical advice. Osmosis from Elsevier and the content available on the Osmosis from Elsevier properties (Osmosis.org, RUclips, and other channels) do not provide a diagnosis or other recommendation for treatment and are not a substitute for the professional judgment of a healthcare professional in diagnosis and treatment of any person or animal. The determination of the need for medical services and the types of healthcare to be provided to a patient are decisions that should be made only by a physician or other licensed healthcare provider. Always seek the advice of a physician or other qualified healthcare professional with any questions you have regarding a medical condition.
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Комментарии • 567

  • @scarlettemarie7872
    @scarlettemarie7872 5 лет назад +345

    I’m so glad this video was made, I’m doing research on Down syndrome because my baby cousin might have it and I really want to learn more about what it is

    • @bwhhc1413
      @bwhhc1413 2 года назад +5

      Mine too but he's almost 9

    • @user-pr2uf4ck9e
      @user-pr2uf4ck9e 2 года назад

      @Terrabyte overcome kaise krna hai next pregnancy me.. Mere baby ko mosaicism 8 hai.. Jo mostly detect nai hota

    • @sheeshee5083
      @sheeshee5083 Год назад

      How's baby cousin doing?? All ok?

    • @Stanley_Fn125
      @Stanley_Fn125 Месяц назад +1

      Chat should i come in her baby cousin?

  • @MitchJenkz
    @MitchJenkz 4 года назад +656

    Respect to the homies with extra chromies

  • @owl9363
    @owl9363 8 лет назад +409

    Man, as someone fascinated with psychology (and medical stuff in general), thank you for making this video and you deserve so many more subscribers!

    • @osmosis
      @osmosis  8 лет назад +32

      Thanks! Please spread the word among your friends. =)

    • @georgeboehringer5530
      @georgeboehringer5530 5 лет назад

      An Owl they deserve mentally retarded children

    • @tonyadavidson5574
      @tonyadavidson5574 4 года назад +3

      Very well explain.

    • @darkcrypto_yt
      @darkcrypto_yt 4 года назад +2

      Tonya Davidson it’s explained but it’s ok

  • @osmosis
    @osmosis  8 лет назад +145

    We've updated this video! The previous version stated that nuchal translucency via ultrasound is seeing how much "light" passes through the neck. This is technically incorrect, as ultrasound uses reflected sound waves to generate images.

    • @mariavekua7802
      @mariavekua7802 6 лет назад +1

      Osmosis .

    • @danioates1852
      @danioates1852 6 лет назад +8

      Could you update the video to replace "mental retardation" with "intellectual disability"? That term has a negative history and can be quite offensive to many families.

    • @bubblebubble2140
      @bubblebubble2140 5 лет назад +1

      Kinddly tell me what is echogenic bowel (brighter bowel) is tyat cause of down syndrome?

    • @Birdofdisguise
      @Birdofdisguise 6 месяцев назад +3

      ​@@danioates1852Should we also remove "flame retardant" from materials? Retardation is an actual word. The fact that people used the word as a slur does not make it obsolete to the English language.

    • @danioates9264
      @danioates9264 6 месяцев назад

      @@Birdofdisguise yikes. If you think flame retardant and intellectual disability are interchangeable, then yes, you should remove both from your lexicon.

  • @zxyarky4383
    @zxyarky4383 6 лет назад +944

    My brain is hurting

  • @rajeshbajala8062
    @rajeshbajala8062 6 лет назад +612

    If you wanted to make another human , first youh'd have to find someone that feels the same way .

  • @moezsoliman6622
    @moezsoliman6622 8 лет назад +115

    Your videos were pivotal for my pharmacy exams preparations. I take my hat off to you, and your great effort and explanation :)

    • @osmosis
      @osmosis  8 лет назад +11

      We're so glad that they're helping you with your studies!

  • @roxannemoser
    @roxannemoser 3 года назад +71

    My mother was 30 when she had my sister with trisomy 21. She was born in 1970. In just 50 years, doctors have learned so much. I wish this much knowledge was available in 1970. I believe my sister's life would be so much better.

    • @djeechizzy9818
      @djeechizzy9818 21 день назад

      My son has autism and thank God I have the finance to take care of him
      Thank God His getting better now

    • @MarkDaniel-yl6on
      @MarkDaniel-yl6on 21 день назад

      That's great! I have a daughter suffering from cancer and I need financial stability so I can help her survive how can I do that please ?

    • @lukeben1596
      @lukeben1596 21 день назад

      No specific one really, because there are lots of investment plans and strategies littered all over the internet today, for instance, investments like real estates,gold, drop shipping crypto currency and lots more

    • @leahmolly9150
      @leahmolly9150 21 день назад

      Warren T. Sonia is an amazing tutor for crypto. Highly recommended! She’s been my Tutor and Mentor for past solid 8years!

    • @leahmolly9150
      @leahmolly9150 21 день назад

      F a c e b o o k 👇

  • @siwarzagrouba7361
    @siwarzagrouba7361 6 лет назад +36

    U saved my exam ! I looked everywhere for an explanation of 21 trisomy when its related to rob trans and u only had the answer.. A perfect n detailed answer.. Keep it forward

  • @oulasuliman7135
    @oulasuliman7135 7 лет назад +93

    I loved the video. How elegantly designed and structurally narrated!

    • @smokesnugshasashitnecktatt4503
      @smokesnugshasashitnecktatt4503 3 года назад +1

      Fuck them they from outta space? Are you a space peoplelover? Pfft now I've seen it all...

    • @xXCatsRLifeXx
      @xXCatsRLifeXx 3 года назад +2

      @@smokesnugshasashitnecktatt4503 shut up you cant be mean to someone who believes or agrees with someone you qould not like it if they said said mean stuff about you or your friends or parents so shut up

    • @xXCatsRLifeXx
      @xXCatsRLifeXx 3 года назад

      Thats alot

  • @enoch9019
    @enoch9019 4 года назад +30

    0:35
    Because consent is important above everything else🙂👍🏿

    • @shell8118
      @shell8118 11 дней назад

      💯!
      Consent is a must!

  • @ogliara6473
    @ogliara6473 6 лет назад +11

    This just made my exam a lot easier. Thank you

  • @yannick8958
    @yannick8958 6 лет назад +13

    Great videos! You manage to state the most important facts in a simple-to-understand manner!

  • @3000mugiwara
    @3000mugiwara 5 лет назад +10

    I don't comment much on RUclips videos but this was fantastic! Very well explained!

  • @amitgiram531
    @amitgiram531 7 лет назад +10

    Thank you team Osmosis for such great videos!

  • @nyakhanchap2094
    @nyakhanchap2094 Год назад +3

    My brother has Down’s syndrome. He is seriously my everything. Always smiling wanting to come sit with you, I just want to help him in any way possible. ❤

  • @sleeplesshead602
    @sleeplesshead602 4 года назад +8

    I already graduated from HS 8 yrs ago and now I understand the explanation more clearly 😂 really. My teacher didn't know how to explain either. So got bad grade, but no regret.

    • @darkcrypto_yt
      @darkcrypto_yt 4 года назад +1

      Black Friday well now u know if u took the test again u would pass

    • @Hajiha-zw4nw
      @Hajiha-zw4nw Месяц назад

      I used sleep in biology class...actually almost in every class I used sleep except art, gym and math classes lol

  • @dr.sargunarora7381
    @dr.sargunarora7381 5 лет назад +7

    You made it super easy!! Thank you so much

  • @HeadFullofDreams394
    @HeadFullofDreams394 4 года назад +12

    if this guy was my clinical instructor, i would definitely pass my subjects with flying colors

  • @hannahpolan3282
    @hannahpolan3282 6 лет назад +7

    This is a really good video. Very clear and easy to follow.

  • @DOCTOR2B201
    @DOCTOR2B201 Год назад +3

    there is a new member of our family having a down sydrome it made everyone in our family sad but it made me happy honestly and i am a medical student and i have plegded myself now that i will be bearing all her expenses when i will become doctor insha Allah which i am going to be and keep her confident and away from the eviliest society which made me suffer in my childhood insha Allah

  • @virendrasinghbaghel2239
    @virendrasinghbaghel2239 3 года назад +4

    I have my exam tomorrow this is very useful! Thanks

  • @andyprovidence
    @andyprovidence 7 лет назад +5

    it's been close 6 months getting to know your channel and i must say u have great teaching skills and explanations..it's really helping me! Really Appreciate!

    • @andyprovidence
      @andyprovidence 7 лет назад

      noted! would love to know more on "birth asphyxia" through your channel...kindly help

  • @nikkij7992
    @nikkij7992 7 лет назад +5

    very very clearly explained, great channel!

  • @dirarmis672
    @dirarmis672 5 лет назад +5

    Wow! I learned so much new stuff today! Thanks

  • @AlesAmazigh
    @AlesAmazigh 7 лет назад +18

    Very well made video, i applaud your efforts and you deserve much more recognition. Keep up the good work, great sir. :) And thank you.

    • @osmosis
      @osmosis  7 лет назад +1

      Thanks Black Hawk. =) Please help us spread the word.

  • @Shellbethebest
    @Shellbethebest 6 лет назад +4

    Thank you so much for this video! It was very helpful

  • @kroy-rz8cd
    @kroy-rz8cd 4 года назад +2

    very well explained, thank you!

  • @nathaliegrieves3859
    @nathaliegrieves3859 5 лет назад +84

    Can't watch this its making my brain turn to jelly

    • @heidysotomedina
      @heidysotomedina 5 лет назад +13

      I think my last braincell is haveing a stroke

    • @darkcrypto_yt
      @darkcrypto_yt 4 года назад +1

      Heidy Soto-Medina oof

    • @The_NPC20
      @The_NPC20 3 года назад

      Nathalie Grieves This video exercised my brain.

  • @rohanshetty4349
    @rohanshetty4349 7 лет назад +21

    Thanks a lot man ! you made it pretty easy to understand :)

    • @osmosis
      @osmosis  7 лет назад +2

      Thanks so much! It would be awesome if you and your friends could review us on our Facebook page. facebook.com/pg/OsmoseIt

    • @rohanshetty4349
      @rohanshetty4349 7 лет назад +1

      Sure:)

  • @tawakalitmajekodunmi210
    @tawakalitmajekodunmi210 2 года назад +5

    Very educative, I'm studying nursing and I'm so glad I found this 💝

    • @osmosis
      @osmosis  2 года назад +2

      Glad it was helpful, Tawakalit! 💖

  • @mikkokylmanen9296
    @mikkokylmanen9296 7 лет назад +30

    A really nice presentation of the different pathways which can lead to Down. Nice that you included the percentages on them as well; can you recall the sources for that information? :)

    • @osmosis
      @osmosis  7 лет назад +5

      We include sources on our newer videos, but we haven't gone back to add sources to our older videos yet.

    • @gayathrijinesh3004
      @gayathrijinesh3004 4 года назад +4

      Correlates with Robbins pathology info

  • @512TheWolf512
    @512TheWolf512 5 лет назад +13

    Mosaic principle is very interesting
    Potentially, we can all have down syndrome to some extent

  • @ahmedbarakat1952
    @ahmedbarakat1952 7 лет назад +6

    i really rally admire your fancy work , keep going :D

  • @emilaz5493
    @emilaz5493 3 года назад +3

    Thanks for the perfect explanation ❤️❤️

  • @vidyadeshpande3583
    @vidyadeshpande3583 5 лет назад +7

    That was really good one n the perfect thing what I wanted to know.

  • @henriquea.5973
    @henriquea.5973 4 года назад +3

    Thank you for the explanation of the Robertsonian translocation!

  • @muhammadasad705
    @muhammadasad705 7 лет назад +4

    love your explanation man !!!!!! now i get it

  • @incognitos4342
    @incognitos4342 6 лет назад +4

    Now this is how we should learn

  • @sunnysunshinexx2219
    @sunnysunshinexx2219 6 лет назад +2

    Omg I have a bio test tomorrow all about downs syndrome and have missed so much class time...this really helped thx :)

  • @lxlx3458
    @lxlx3458 3 года назад

    Thank you for sharing with us!

  • @melylisa6930
    @melylisa6930 6 лет назад +5

    Oh wow this was very informative and interesting..Thank you 😊😊👏👏👍👍

  • @kulbirkaur1167
    @kulbirkaur1167 8 лет назад +28

    nicely explained..thanks

    • @osmosis
      @osmosis  8 лет назад +3

      You're welcome Kulbir.

    • @darkcrypto_yt
      @darkcrypto_yt 4 года назад +1

      Osmosis Hi still watching in 2020

  • @robyndaltonbeautyfashionli8513
    @robyndaltonbeautyfashionli8513 6 лет назад +7

    you know a lot about Down syndrome and I love that about you and I enjoy watching these kind of videos and I love to see more videos like this because it is educating and helpful and keep up the wonderful work on your videos

    • @osmosis
      @osmosis  6 лет назад

      Thank you, Robyn!

  • @hebaalhihi4080
    @hebaalhihi4080 3 года назад +6

    I love this channel, it really clears things up to me

    • @osmosis
      @osmosis  3 года назад

      Glad to help! 🥰

  • @areejalanazi1244
    @areejalanazi1244 6 лет назад +3

    you are great guys .. thank you thank you

  • @aymaxjin8630
    @aymaxjin8630 5 лет назад +152

    God i hate math

    • @francescodhillon8119
      @francescodhillon8119 5 лет назад +6

      Aymax jin Biology is better

    • @badubap_
      @badubap_ 4 года назад +5

      Francesco Dhillon
      I love both

    • @shahani6037
      @shahani6037 3 года назад +1

      im stoned as fuck and i got lost as soon as they started replicating, i dk what the f

    • @radhiyavangobel6191
      @radhiyavangobel6191 3 года назад +1

      well... its biology

  • @Yokeshyokemy
    @Yokeshyokemy 6 лет назад +5

    Very helpful thank you so much 😍😍

  • @varshatated2921
    @varshatated2921 3 года назад

    Thanx for clearing my doubts ..love this video .amazing .🥰

  • @cathyj8284
    @cathyj8284 5 лет назад +1

    This helped a lott... THANK YOU :)

  • @PsychicReadingUsaFacebookGroup
    @PsychicReadingUsaFacebookGroup 2 года назад +2

    This happened with my first but it was a marker in his brain , they said they didn’t even want to tell us about it bc it stresses
    Moms out more then it should but legally they have to tell you if they find one , we couldn’t afford a follow up anatomy scan but my midwife sounded confident that it was fine , he came out a healthy baby. I wouldn’t stress about it

  • @zil-e-fatima7359
    @zil-e-fatima7359 3 года назад

    Wow...that was amazing... thanks for your efforts

  • @mayurbramhane4737
    @mayurbramhane4737 4 года назад

    So nicely explained

  • @nasirahmedqureshi9996
    @nasirahmedqureshi9996 7 лет назад +4

    Awesome Videos. Please make more!!

  • @nsiety
    @nsiety 2 года назад +2

    Immaculate description Thanks a lot. Great animation too

    • @osmosis
      @osmosis  2 года назад

      Thanks for the feedback, Pritha! 😊

  • @AnkushSharma-zv5hv
    @AnkushSharma-zv5hv 6 лет назад +4

    u make the best videos

  • @joanaborges9450
    @joanaborges9450 3 года назад +2

    Great video and as always the pictures/images/drawings are really good :)

  • @ajitrao8839
    @ajitrao8839 7 лет назад +1

    thank u . videos r very helpful

  • @nikolebisceglia3903
    @nikolebisceglia3903 7 месяцев назад

    This video made it so easy to understand the cell division that happens for my research paper. Thanks!

    • @osmosis
      @osmosis  7 месяцев назад

      You're very welcome! 🙏🏼

  • @zulaikhasokri4315
    @zulaikhasokri4315 7 лет назад +2

    Thank you!

  • @ketkimutha1296
    @ketkimutha1296 4 года назад +1

    Superb explaination ❤👍
    Pls state more information about treatment and management

  • @hamoodddw
    @hamoodddw 5 лет назад +8

    they showed this video in my school to teach us
    ( but there was no sound )

  • @kerouactfspy2622
    @kerouactfspy2622 7 лет назад +9

    Fantastic video. I just started medical school and this was so, so handy for learning about how Down's Syndrome comes about.
    Thank you.

    • @wanwadee
      @wanwadee 7 лет назад

      Kerouac TFSpy i wish we had this ten years ago it would make things go a lot easier

  • @SnazzyscienceVideos
    @SnazzyscienceVideos 4 года назад +9

    In terms of heart defects, he states between the two atria (producing an ejection systolic murmur) being most common ('usually') but note the most common is an AVSD, which produces a holosystolic of course, along with VSDs
    Prevalence
    AVSD: 29%
    VSD: 21.5%
    ASD: 19.9% (EJ murmur)
    So you will most likely hear a holosystolic murmur
    source for chd prevalence ; Benhaourech, CHD & down syndrome

  • @dfwdreamforceworks8635
    @dfwdreamforceworks8635 2 месяца назад

    explanation is great, your end word per sentence saying "right?" keeps us survive until the end, bro! Keep it up.

    • @osmosis
      @osmosis  2 месяца назад +1

      Thanks! 💕

  • @maysurawski7772
    @maysurawski7772 2 года назад +1

    Excellent video!

  • @michaelm08
    @michaelm08 6 лет назад +2

    Big fan of Osmosis but a bit more on signs symptoms and complications of Down's Syndrome and perhaps the pathology leading to those signs/symptoms/complications would have been more useful

  • @kubamigda3336
    @kubamigda3336 5 лет назад +4

    Hi, I was wondering if I could use some of your video in a presentation I have for biology class. I really dig the visualizations and they made a lot of stuff clearer. I will credit the channel of course. Liked and subbed

    • @nikolebisceglia3903
      @nikolebisceglia3903 7 месяцев назад

      I was going to do the same for my research project. So simple to understand the way he drew it out.

  • @tdwg44
    @tdwg44 3 года назад +1

    Great video thanks osmosis

  • @kashfsheikh4840
    @kashfsheikh4840 5 лет назад +1

    Thank you soooooooooo much, sir.

  • @wish1me1luck
    @wish1me1luck 5 лет назад +1

    amazing video thanks alot !!!!!

  • @infinitejock.
    @infinitejock. Год назад

    This is a very well-done informative illustration, I have learned a lot. Thank you.

    • @osmosis
      @osmosis  Год назад

      Awesome! Happy to help! 😊

  • @MxCartney_Lou
    @MxCartney_Lou 5 лет назад +2

    Can you do a video in Tricuspid Atresia?

  • @samaaelmeghallawy2708
    @samaaelmeghallawy2708 5 лет назад +1

    Thank you man

  • @javiichan3004
    @javiichan3004 4 года назад +5

    Amazing video! I'm studying medicine and this helped me a lot

  • @kacutieone
    @kacutieone 6 лет назад +1

    Great teacher and visual aids. Thank you!!

    • @osmosis
      @osmosis  6 лет назад

      Thanks for watching, Samantha! Did you know that if you like & review us on Facebook then you’ll get access to our videos a day before they’re published on RUclips? Check it out here: bit.ly/2u35D6J

    • @whywoulduevenhaveausername1718
      @whywoulduevenhaveausername1718 6 лет назад

      Visual aids?
      *S o m y e y e s h a v e a I d s ?*

  • @isabellacharlize7833
    @isabellacharlize7833 4 года назад +22

    If you wanted to make another human, first you'd have to find someone that feels the same way.
    what a god

  • @a4dio580
    @a4dio580 3 года назад

    my lil bro has Down syndrome, I love him and could never wish for a better brother, he’s always nice and sharing, he doesn’t have friends though and I try to help him make some.

  • @gujjargujjar665
    @gujjargujjar665 2 года назад +1

    Great video 👍

  • @gksonlinetutoring7652
    @gksonlinetutoring7652 6 лет назад +1

    pls do videos on turners, edwards and patau syndromes.
    p/s: this video was great. tqvm

  • @ravelitschimo
    @ravelitschimo 4 года назад +5

    Great video. As a teacher I would use more colors for the stuff. It would be easier to understand it. I had to stop it once to remember the Chromosom comes from the Sperm. But great video.

  • @pratibhathakur8163
    @pratibhathakur8163 5 лет назад

    Thank you!!

  • @champagne3388
    @champagne3388 Год назад

    "First you have to find someone who feels the same way" hahahahaha cracked me up. love all of your videos!

    • @osmosis
      @osmosis  Год назад

      Glad you enjoyed it! 🤓

  • @rubenruiz3522
    @rubenruiz3522 3 года назад

    This was helpful

  • @mehrmaa6066
    @mehrmaa6066 7 лет назад +2

    Love you!

  • @penjamin_
    @penjamin_ 4 месяца назад +2

    I have an aunt with Down syndrome.I am her part time caregiver,and my grandparents are her full time caregivers.She is one of the happiest and funniest people I know.

  • @mylifeinsweden575
    @mylifeinsweden575 8 лет назад +8

    thank you ,this is awesome :))))

    • @osmosis
      @osmosis  8 лет назад +1

      You're very welcome. =)

  • @sanughosh6540
    @sanughosh6540 Год назад

    Thanks for explaining the Robertsonian Translocation, it is well explained....

    • @osmosis
      @osmosis  Год назад

      You are welcome, Sanu! 😊

  • @kanchanangural1663
    @kanchanangural1663 2 года назад +2

    Wow.... It covered almost every part of my report in just 10 minutes 🤩🤩🤩🤩🤩🤩

    • @osmosis
      @osmosis  2 года назад +1

      Hope it was able to help in your report, Kanchan! 🙏🏼 ❤️ 😊

    • @kanchanangural1663
      @kanchanangural1663 2 года назад +1

      @@osmosis sure it did...😌✨✨✨

  • @thhhumbsup4718
    @thhhumbsup4718 2 года назад

    Thank you very much this was really helpful information

    • @osmosis
      @osmosis  2 года назад

      You are very welcome! 🤓🩺 🙌🏼

  • @dipikashrestha3939
    @dipikashrestha3939 6 лет назад +1

    Thank u so much

  • @v3n0m71
    @v3n0m71 2 года назад

    I have a brother who have down syndrome, he is 8 year old and he is the best brother I ever had! 💝

  • @juliebetend8777
    @juliebetend8777 7 лет назад +3

    Thanks a lot for this video !

  • @karachikalarka7853
    @karachikalarka7853 4 года назад

    Outstanding.......

  • @Studymatters_
    @Studymatters_ 11 месяцев назад

    Literally sayin u should continue uploading videos

  • @bwambalepreciousvictor9440
    @bwambalepreciousvictor9440 11 месяцев назад

    Very nice explanation

    • @osmosis
      @osmosis  11 месяцев назад

      We're glad that you think so! Thanks! 💖

  • @amycaliz5959
    @amycaliz5959 2 года назад

    Ugh thank you! I have a research paper based on this in 5 days 😬

    • @osmosis
      @osmosis  2 года назад

      Glad it was helpful, Amy! Good luck! ❤️

  • @mikeblack864
    @mikeblack864 4 года назад

    I need to know more

  • @liberalthefirst7743
    @liberalthefirst7743 5 лет назад +2

    Please make a video about ALS, it’s a very serious disease

  • @Elithia.m
    @Elithia.m 5 лет назад +1

    i have to make a presentation on Down syndrome for my child development class and we're presenting next week.... I'm so confused by the three types of down syndrome but this video helped a little