Neurology | Sympathetic Nervous System
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- Опубліковано 19 гру 2017
- Official Ninja Nerd Website: ninjanerd.org
Ninja Nerds!
In this video Professor Zach Murphy will be discussing the thoracolumbar outflow of the sympathetic nervous system. This will include the preganglionic cell bodies from T1-L2 of the lateral horn in the spinal cord. We also talk about the target organs, the effect that they have on them, and the various ganglia involved with this system. We hope you enjoy this lecture and be sure to support us below!
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CORRECTION AT 6:14
The sympathetic nervous system doesn't cause contraction of the ciliaris. It actually relaxes the ciliaris which tightens the zonules causing the lens to become more flat, which is important for far vision. Sorry for that mistake ninja nerds!!!
oh didnt notice that - u r the best!
Ninja Nerd Science my textbook tell me the pregnant uterus will contract when the sympathetic system excites
A suggestion which for me at least i think would be great, can you post a link with photos of your board notes that you are showing us before you start and one after you finish with notes of the lecture. It would be great. Your lectures are amazing.
sir please increase the volume of your videos sir.....its inaudible even after putting the maximum volume in my laptop
Thank you very much Sir.
I’ve been teaching medical students & residents for the last 30 years at Columbia Presbyterian Hospital in New York, so I have seen the crème de la crème - but you sir, I have to say, are A+++. Thank you for your clear and concise presentations which I recommend often to my students.
Woah🙂
Wow
May God bless him
Thank You
Can I write you in private?
His enthusiasm and excitability to teach makes him a different breed of educator
Yeah, like a black lab mixed with a husky.
DUDE! You are a scientific angel sent from above. THANK YOU SO MUCH!
Logical science for anatomy ! easy for US memory !
I’m in med school and I learned more from your videos than reading my books hahahahaha
Ok great lady
me too
Me toooooo
These videos are saving us
Who even uses textbooks anymore 😂😂
Im a Police Officer and we learn an overall of this stuff in a DRE program (Drug Recognition Evaluation) but this is really more of what I want to know. More in depth.
I'm a psychologist - I need to know too!
Duck, it's the popo
You are awesome!!
One request: for future videos can you take a shot of the whiteboard after you have finished the lesson? I think it can be very usful.
Thank you again!!
Check on the Website, you can donate and then download Fotos from any lesson.
You can go on the Patreon account.. I think they provide photos there.
Take a screenshot
This guy's a legend.....literal epitome of humbleness and patience sprinkled with the efforts and hardwork ....love your smile ....keep growing...❤️
“Are you gonna pee on Chuck Liddell no u don’t wanna pee on Chuck Liddell”😂😂😂😂.......U killed me with that one!
Me too😂😂 his gags are awesome😂😂😂
This is so comprehensive yet extremely engaging at the same time. Incredible!
Best anatomy and physiology teacher on youtube. I wish you were my professor. I will tell my classmates about your channel.
Rita ok thank you
Can’t resist of comment on this , wow your lectures are amazing, and I have never learned specially neuroanatomy like this before these videos are very much clear and very much understandable and very much logical; thank u so much🙏♥️
First year master's student here. I can't believe that I just found this UA-cam channel. The presentation of this content is amazing and perhaps more in depth than my textbook!
I am from India....its just awesome much better than najeeb who takes money for videos.....and ur providing it for free and so high quality just love it....
Your videos are great, man. Please do one on Limbic System and Structure/connections of Hippocampus.
Hippo's can't go to college. They are hippos.
Best medical teacher thanxxxx a lot
Mennnn. I got more from this video than 4 Hours of Nursing Anatomy. God bless you bro. Keep on Recording
Thank you, I couldn't understand it from the books, but you made it so interesting and organized. You're awesome!
Seriously 19 dislikes??? Like y did he deserve it for all that hard work 🙄🤦♂️🤷♂️
It's Australians. They were trying to like, but it's upside-down there.
@@parkerneilson6255 FACTS
Thank you so much. You are the main reason I did well in Anatomy and now your videos are helping me in Physio. I get so excited when I find videos you have made on the subject we are learning because it starts to make sense! Thank you so so so much! I wish my professors taught my classes like you.
This is my go to now that my classes are online because of the Corona virus lol
ditto, too bad I found him so late in the semester, but thank god I did! The innervation pathways are no joke!
Man, you are too good !! The humor you put into this video made it more interesting .
Those plexuses always confused me, now they have started to make sense .
Thanks, to your hardwork !!
Keep it up 😊
These videos cannot receive enough praise. Fantastic stuff
Zach, you are the absolute BEST!!!!!! Thank you for this and all of your videos.
because you focus in one system , you're capable of being informative and you've the key of the watchers mind
One of the best yt channels out there for studying!!! Love it, and the help is tremendous :D
This was absolutely amazing. I'm an RN BSN and going for my APRN and this helped me understand so much more and also gave a clearer description on how vasopressors affect the whole body. You're a genius dude 👏
Thank you so much for this! I'm in Med school and your videos honestly save me for Medical Physiology!!! You're amazing!
You are one of the best teachers on youtube .... i feel enlightened after every one of your videos !!!
I don’t know how to thank you about what you do for all med students, we really appreciate you 🙏❤️
You're a fantastic teacher. You make it fun and interesting and so it's enjoyable to see the videos again and again. Great and thank you!
This is just so clear and well explained! I can't thank you enough.
This is one the channels that should be introduced to students. The diagrams and processes are very well explained. I personally like the explaination which was made easy for me to understand.
Your videos are literally a gift to all struggling students out here, sir! Will come back here after I get that MD license :)
Wow I did not know for switching receptors in uterus im so glad that listening to your videos i always learn something more than just the topic that you're doing! You are amazing.
huge respect sir...ur vdos are soooo helpful that I can't explain..love from India...thank you soooooo much
I'm just going through my paramedic degree, you absolutely rock mate, these videos have helped me so much. Thank you!!!
You are really doing a great job especially on these types of complicated topics it's awesome🙂
Been waiting for this a long time :) Finally. Amazing!
Thanks for your support! Ninja nerd fan for life!
Thank you.....you summarized it in an awesome way
you took a very complex issue to explain and made it clear and fascinating ! realy enjoyed it
Every dollar every piny of knowledge every piny of water every work towards greatness of making true doctor counts thankyou mentor♥️
This was very easy to follow vs some of the material I have studied! Thank you so much for making the info easy to understand and retain!
Explanation is just awesome !
Can't explain it through words.
Thank you so much 🥰
Thoracolumbar outflow-
T123 synapse with Superior cervical ganglion
Internal carotid artery
Carotid plexus
NE.
Eye-
Dilator pupillae for vision
Cilary MUSCLE relax accomodations.
Salivary gland-
Thick viscous mucous production
Lacrimation-decrease.
Middle cervical plexus-
Heart-
Cardiac plexus
Cardiac output increase
Oesophagus-
Oesphageal plexus
Decrease peristalsis.
Lungs-
Pulmonary plexus
Vasoconstriction of bronchial ARTERY...
T1-T5- splanchnic nerve.
Celiac gangion-
T5-T9
Greater splanchnic nerve
Stomach
Dec. peristalsis absorption
Pyloric sphincter constrict
Enterohastric reflex.
Liver-
Glycogenolysis
Dec. Biliary tree contraction.
Pancreas-
Dec. Insulin production
Inc. GLUCAGON.
Spleen contract.
Adrenal medulla-
Chromaffin cells
Intramural ganglion.
Greater splanchnic nerve-
Superior mesenteric ganglion
Ascending colon
Transverse 2/3 Rd
Dec. Peristalsis absorption secretions.
Lesser splanchnic nerve-
T10-T11
Aortic renal ganglion
Kidney ureter
Decrease urine production...
T12-
Least splanchnic nerve
chain ganglion diffused ganglion cells renal plexus....
Lumbar splanchnic nerve L123
Inferior mesenteric ganglion...
T12L123
2 plexus
Superior hypogastric plexus
Intermesenteric plexus
Internal urethral sphincter constrict.
Alpha 1adrenergic receptor
Detrusor MUSCLE-relax b1andb2 adrenergic receptor...
Sacral splanchnic nerve-
Inferior hypogastric plexus
Gonads.
Male-ejaculation.
Female-uterine contractions..
Upper control-
Hypothalamus
Limbic nuclei
Cortical control...
Thank you sir
Awesome! Watched the whole and will have to watch again. So much information but very clear. Great video!
I had Scheuermann's disease as a teen and when it developed, I began having a fast heart rate, sweating, anxiety, Raynaud's/acrocyanosis,flushing/blushing, and orthostatic weirdness and erratic energy levels. The docs thought I had a pheochromocytoma, but that was negative. Adderall actually helps. I had my spine corrected in 2011 and look and feel awesome.. I workout a lot and built a lot of muscle... But my sympathetic nervous system is still super super super sensitive. Metanephrines and other adrenals are all normal. I am completely convinced there is something related between my thoracic spine (my curve apex was T8) and my sympathetic nervous system overaction. 20 years since diagnosis, I finally found a health care team who says I am not crazy. It's likely not going to kill me... But I'll tell you, it can be very frustrating. There is basically no known medical studies involving what I'm conviced of (idiopathic scoliosis/kyphosis related to hypersensitive SNS), I'm basically on my own LOL.
Great video.
Thank you for your explanations! It's great to finally understand neurology.
i dont know how to thank you again zack but ur videos are so awsome they save the pain to go to the texts most times and its very very helpful when i prepare for my anatomy exams thanks a lot i get to understand a lot of things instead of just blindly reading the texts thank you again . this makes anatomy much better
Honestly, the best medical educational channel on the whole youtube platform!
Thank you for making topics easier to understand. I will give you a 5 star rating for every video. I like the fact you do a recap often.
amazing complex information in a clear and accessible way, thank you so much, a pleasure to view
thanks for your effort brother...... you are gift to med students....... you vil be the nxt najeeb for sure... looking forward for more videos.....
The way and simply you make everything presentable and understanding just incredible and awesome..thank you so much for make it easier to understand a critical and tough topic like cns and you pns
I am a APRN planning to return for a post masters certificate in pysch/mental health. In preparation for this, I have turned to lectures to review the nervous system and other related basic A/P. I really enjoy this lecturer. He is very knowledgeable and his teachings are reliable. He identifies ambiguities as he notes them in the textbooks accordingly which I respect. He is very enthusiastic and I am glad I found him. I wonder what he is up to these days. Nonetheless, thank you for sharing your knowledge.
This helped me a lot, thank you professor. I'm from Brazil and love your videos.
Hats off to the amount of extra effort you put into making these awesome videos!👍✌👏👏👏👏👏 Not everyone makes a Great Teacher! You really are a nerd😄 ! Its all worth the effort you made bcz it's a way lot easier to understand and visualize each topic now ! Thank you so much !
I'm taking terminology and anatomy classes , and let me tell you I was about to drop it until I found your Channel , it's amazing . BEAUTIFUL.
Thanks for making and sharing!! so far the greatest lecture for me to understand A&P while in paramedicine school.
Thank you for helping me visualize the bigger picture better!
Thank you so much! I have been struggling to understand this topic! You nailed explaining this complex stuff!
Great job illustrating the sympathetic nervous system!
Thanks for getting me through anesthesia school guys! This is great stuff and always presented in a way that is more simple to understand. Appreciate what you do
Send money
My friends and I LOVE your videos for PA school! Thanks so much!!
+Leora Prince awesome!!! We are so happy to help!!!!
I LOVE THIS!!!!! I wish I found you sooner!!!! Thank you for this!!!!!!!!
You make it very easy to understand. Thank you so much!
Your videos and lectures are superior. I have always wondered how I could have a glass of coffee with you one day. You are a true mentor. I love everything about your videos. May you live Longer. Oscass Jimmy
legend tells of a legendary teacher;
whose teaching skills were the stuff of
legend.....................
U are a saviour , please never stop your video u have no clue what difference u are making in a student's life ❤
man this vid helped me soo much u cant explain how easy u make these concepts fr thank you
you are SO helpful thank you so much for your in-depth presentation!!!
Thank you so much. Finally I understood sympathetic and parasympathetic system well. It was always so confusing .... I really love you
As always you were perfect bro.Thank you so much!
Hi I am Pharmacologist
Nicely, explaining & interesting video
The way u explain every topic in detail It's really helpful for us. Thanks man ur a savior💗💗💗
A-MAY-ZING as usual! Thank you so much for all your videos!
that is an amazing visual that I can ever see in a presentation, it's like a lightbulb switch after watching this. thank you
I am greatly in debt to you Sir.
Such a wonderful video
Please do continue to be in this good work.
You got a gift. You are an awesome teacher, thanks!
I finally understand nerves!!! Thank you, as always!
Amazing teacher 👌🏻 you are telling even the most difficult topics in a simple way 😍
Always very clear and well presented, ty guys
Ma Sha Allah. Bless you brother. The potential you have is beyond compare. More power to you Sir. Keep up the good work. 👍🏻
Very clear illustration and teaching , thank you so much!
AWESOME!! Beautifully explained thank you loads!
great tutorial man! really help. keep making this kind of videos!
thank you, one of the best pharmaco videos I have ever seen
Thank you so much 🙏🙏 the best lecturer on the Internet
I have wasted so many hours in classes and on books trying to get a hang of these sympathetic, parasympathetic and autonomic nervous system and still ending up with zero concepts about them. TODAY ALL THAT HAS CHANGED!
Hahaha me too
thank you for this video this has helped me majorly in my anatomy course and its all due to you thank you!!
Thank you ninja nerd ( professor Zach) for clearing my concept ur videos are worth watching , helps me a lot ..............
Ur hard work pays off sir 💜
You saved my life. I barly know about Sympathetic nerve system. Please, keep going. Our lives would be too boring with books.
god bless you! after 10 years of being far, you did an amazing job in renewing what I need to refresh! amazing!
You are doing awesome work, thank you so much!
I love your videos! These are seriously helping me study for my neuro class.
Sir your an inspiration for all medical students really made neuroanatomy easy 🤩🤩🤩🤩🤩
Wow have fallen in love with the flow of these videos
Omg!
This is so great!
Thank you so much for all the videos!
Your teaching videos are the best i have encountered.
Thank you for the awesome presentation