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SWALLOWING OR DEGLUTITION - ANATOMY AND PHYSIOLOGY

  Рет қаралды 187,966

Neural Academy

Neural Academy

Күн бұрын

Swallowing, also known as deglutition, is the name for the process by which food goes from mouth to pharynx to esophagus. Swallowing has three phases - the oral, or buccal phase, the pharyngeal phase, and the esophageal phase. The oral phase is the only voluntary part of swallowing. After food has been chewed and moistened with saliva, the resulting bolus is pushed to the back of the throat, called the pharynx, by the tongue. This involves the tongue rolling back to prevent food from going forward into the mouth. As this happens, the soft palate rises to prevent food from entering the nasal cavity. The pharyngeal phase begins when receptors in the oropharynx are stimulated. This triggers initiation of the swallow reflex, which is involuntary. This part of swallowing must be coordinated perfectly, because the pharynx is the entrance to both the esophagus and the trachea. While the esophagus leads to the stomach, the trachea leads to the lungs. The vocal folds are located in the larynx, which is at the top of the trachea. The vocal cords close and the larynx gets pulled up as the epiglottis flips over the entrance to the trachea. The upper esophageal sphincter opens to allow the bolus to enter the esophagus. During the esophageal phase, food is propelled down the esophagus towards the stomach by waves of muscular contractions known as peristalsis. The larynx moves back down and the epiglottis flips back up so respiration can resume.

Пікірлер: 45
@TheresaTriplett
@TheresaTriplett Ай бұрын
Learning about this in Anatomy. This video is exactly what I was looking for. Thanks!
@Rationalist101
@Rationalist101 Жыл бұрын
You learn something new everyday
@ericpratt984
@ericpratt984 Ай бұрын
And they say God isn't real
@bxhhagshsbs-oo7tx
@bxhhagshsbs-oo7tx 12 күн бұрын
God isn't real
@ericpratt984
@ericpratt984 12 күн бұрын
⬆See?
@bozkidcomedy
@bozkidcomedy Ай бұрын
Thank you Jesus Christ for your good work on humans
@dailydoseofmedicinee
@dailydoseofmedicinee Жыл бұрын
Short and informative
@girlwhoislearningrussian
@girlwhoislearningrussian Жыл бұрын
I love this channel. I'll try to watch whenever I have free time 😅😅
@adarshrai4112
@adarshrai4112 Жыл бұрын
Swallowed this lecture perfectly 👍🏼
@Lonyw
@Lonyw Жыл бұрын
You mean deglutitioned
@mr.safecharliedefensivedri9741
@mr.safecharliedefensivedri9741 8 ай бұрын
Explaining,how I eat my Food, kudos and thank you.
@Mbbsmedicos
@Mbbsmedicos 5 ай бұрын
Thank you ❤. Best short video of deglutition
@oyebodefadare
@oyebodefadare Ай бұрын
Nice work 👍
@anuradha8825
@anuradha8825 6 күн бұрын
Thank you so much 🙏
@mister-accomplished
@mister-accomplished 3 ай бұрын
Bro kamaal
@lianxie5582
@lianxie5582 5 ай бұрын
Fantastic presentation!
@AnkitGarg
@AnkitGarg 10 сағат бұрын
I wonder what was the evolutionary need to push the food down and not depend on gravity. Is the passage too tight for food to flow through by itself?
@powermed5033
@powermed5033 2 ай бұрын
Nice 😊
@bloodlessmist
@bloodlessmist Жыл бұрын
Precise, concise to the point and informational. Thanks for the help! 🤍
@pallavichoubey18
@pallavichoubey18 Жыл бұрын
Lecture perfect ❤
@SophiaMeshark-ij1db
@SophiaMeshark-ij1db Жыл бұрын
Perfect 😅
@sabrinajones1573
@sabrinajones1573 7 ай бұрын
I LOVE the art!!!
@kingdj0945
@kingdj0945 3 ай бұрын
Don’t over think it happens to me all the time but take deep breaths
@wolverine3422
@wolverine3422 Жыл бұрын
Very good 👍
@shahriar2244
@shahriar2244 11 ай бұрын
Nice
@genoramirez4204
@genoramirez4204 Жыл бұрын
Wow, amazing
@haniatariq8374
@haniatariq8374 7 ай бұрын
Best❤
@pubjlover1204
@pubjlover1204 Жыл бұрын
Very helpful
@annelowe2691
@annelowe2691 9 ай бұрын
Can I please use this video in one of my videos on my KZfaq channel? I am a voice teacher and specialize in vocal anatomy and physiology. I'd be very grateful to hear from you as to how this can happen. Anne Lowe Voice Generation.
@theicequeen7977
@theicequeen7977 9 ай бұрын
Try to email him?
@monikaarya6290
@monikaarya6290 Жыл бұрын
Thank you very much 🙏🏻
@miltonjovany8132
@miltonjovany8132 3 ай бұрын
Who designed humans like this? It's an easy fix, just have 2 tubes. One for respiration and the other for swallowing
@user-ut6qx6gv3p
@user-ut6qx6gv3p 2 ай бұрын
I cured my Acid reflux symptoms and chronic (halitosis)Bad breath smell from stomach when talking with alternative herbs & gluten free diet protocol when I came across drohanon,??
@7sports586
@7sports586 Ай бұрын
How you cure your chronic bad breath smell tell me plz
@ironmenvagas5917
@ironmenvagas5917 4 ай бұрын
who set this security system
@agvstin9078
@agvstin9078 2 ай бұрын
it is normal to make noise when you swallow?
@theicequeen7977
@theicequeen7977 9 ай бұрын
Perfect ❤
@heroicplaysmc
@heroicplaysmc Жыл бұрын
I accidently swallowed a ball bearing sadly yesturday
@apurbasardar6124
@apurbasardar6124 11 ай бұрын
What does “raising of larynx” mean? It doesn’t look like it is getting pulled up.
@JOELCHONGOfficial
@JOELCHONGOfficial 10 ай бұрын
Imagine your adam's apple moves up during swallowing and moves down after the food is swallowed completely. That is because your epiclottis bends (it pulls the larynx during the process). Hope this helps!
@user-mq8bv1fj4d
@user-mq8bv1fj4d Жыл бұрын
Could i present the video in my presentation?
@choulox437
@choulox437 4 ай бұрын
0:03 🤫🧏
@drallersouldust3054
@drallersouldust3054 10 ай бұрын
I think I've swallowed a stick
@insulin801
@insulin801 4 ай бұрын
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