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Germ layer derivatives | Behavior | MCAT | Khan Academy

Оценок: 858 | Просмотров: 232294
Created by Jeff Otjen. Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/behavior/human-development/v/gestation?utm_source=YT&utm_medium=Desc&utm_campaign=mcat Missed the previous lesson? https://www.khanacademy.org/test-prep/mcat/behavior/human-development/v/implantation?utm_source=YT&utm_medium=Desc&utm_campaign=mcat MCAT on Khan Academy: Go ahead and practice some passage-based questions! About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s MCAT channel: https://www.youtube.com/channel/UCDkK5wqSuwDlJ3_nl3rgdiQ?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Категория: Образование
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Текстовые комментарии (30)
Mallicka Bag (2 дня назад)
Thank you. It helps me in understanding it.
Bhoop Singh (5 месяцев назад)
Thank-you very-very much For making this basic-concept video| Thank-you|
Bal Diri (7 месяцев назад)
cost me 1 mark bladder is endoderm
Darakshaa Khann (9 месяцев назад)
Kya baat hai☺
Saleh Alatar (10 месяцев назад)
Which one of these layer form first? Or does they form exactly the same time? or does one of them form another one ?
Duncan Farquhar (10 месяцев назад)
watch their video: early embryogenesis
Nadia Desta (11 месяцев назад)
I really would like you to make vidoe of eye or optic development and craniofacial
ABINASH BEHERA Biology (11 месяцев назад)
Urinary bladder are emdodermal
bezmitip2017 tip (1 год назад)
can you make your videos more advanced which will make it appealable for med students as well you can easily say that wouldnt come in mcat and give time lines in explanation of video which covers med side and mcat students can easily skip these parts of it. i think lots of people would consult you if you did like that thanks
Nyanna Ross (1 год назад)
Would be funny if that drawing became real like what happened in spongebob
NimbusFilms (1 год назад)
Thank god for the comment section, the bladder is endoderm derived. This video tripped me up so much studying for the MCAT, almost missed a question on the exam. ANNOTATE OR REUPLOAD. Disgraceful, Khan Academy.
MKM (1 год назад)
Why the f do we need to know this shit. This is not ever going to help me in any way. Great video though :).
Pavan Mehat (1 год назад)
I thought the same thing, but now that I am in med school, it is very important to understand how structures are developed because it helps you predict and understand certain congenital anomalies. For example in our first week back from second year we are learning neonatal care. One of the causes of "respiratory distress" can be a trachoesophogeal fistula. Fistula in medicine just means the connection between two open pouches. So why would the trachea and esophogeous be connected to each other? Well because the lungs come from the endoderm, and more specifically the foregut. Stay strong, and keep studying. :)
johnny Anderson (2 года назад)
Why are they called germ layers? Arent germ cells responsible for gametes?
Croin (1 год назад)
This was also pretty funny for me2 now back to study.
Tony Vo (1 год назад)
This is so weird, are you the future self of Johnny Anderson? What kinda of coincidence is this?
Croin (1 год назад)
They are derived from primordial germ cells which are formed in the epiblast during the 2nd week, the gametes.
דני רזניצקי (2 года назад)
bladder endoderm get it fixed! I almost believed you and got it wrong in a test. but nevertheless the video is great.
SREEJITH gs (2 года назад)
Trigone of the bladder is derived from the mesoderm(intermediate mesoderm) and rest of the bladder Is from the endoderm
chocolatecupcake411 (3 года назад)
bladder is derived from the endoderm, not mesoderm
Sadiya Motala (3 месяца назад)
trigone of urinary bladder is form from mesoderm and rest of the parts are from endoderm.
James Filosa (2 года назад)
+chocolatecupcake411 - khanacademy is great because you can learn from the comment section!
Pedro Ferrer (3 года назад)
lol I trusted this video and got it wrong on the exam
Efira Effandy (3 года назад)
ectoderm also produce our enamel!
Pierce Taylor (3 года назад)
Quick and informative, much much easier to remember this with the visuals rather than just reading
Ana Jovana (3 года назад)
as far as i know bones derive from the ectoderm, too. only vertebras and ribs are from the mesodermal somites the skleroderm. (source is prometheus)
Gokberk Deniz (3 года назад)
Bladder is derived from endoderm. Isn't it?
Pajesh Jp (1 месяц назад)
Entire bladder is ECTODERMAL in origin except TRIGONE which is derived from Mesoderm
Adham Hamadneh (3 года назад)
thanks a lot , but the mesoderm doesn't give rise to the bladder .  It's an exception
Benjamin Ghaly (3 года назад)
Thank you so much for this video! I was having so much trouble keeping track of all the different organs the germ layers differentiated into but this video helped so much!

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