Neurology | Sympathetic Nervous System

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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[NinjaNerdOfficial]

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!!!

[stanleysantorelli]

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.

[joshrelatedstuff]

His enthusiasm and excitability to teach makes him a different breed of educator

[laurahamming]

DUDE! You are a scientific angel sent from above. THANK YOU SO MUCH!

[marcusjames]

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.

[mariahcyrillvirtudazo]

I’m in med school and I learned more from your videos than reading my books hahahahaha

[pratikbajpai]

This guy's a epitome of humbleness and patience sprinkled with the efforts and hardwork ....love your smile ....keep growing...❤️

[TroyHill]

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.

[ommmxrx]

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!!

[Zetsuke]

This is so comprehensive yet extremely engaging at the same time. Incredible!

[sapnakarunathilaka]

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🙏♥️

[garrettmunoz]

First year master's student here. I can't believe that I just found this YouTube channel. The presentation of this content is amazing and perhaps more in depth than my textbook!

[Rita-cfts]

Best anatomy and physiology teacher on youtube. I wish you were my professor. I will tell my classmates about your channel.

[nikhilathakur]

Thank you, I couldn't understand it from the books, but you made it so interesting and organized. You're awesome!

[jasminenogolu]

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.

[schizoagnostic]

Your videos are great, man. Please do one on Limbic System and Structure/connections of Hippocampus.

[lisaodula]

Thank you so much for this! I'm in Med school and your videos honestly save me for Medical Physiology!!! You're amazing!

[fredn.]

Mennnn. I got more from this video than 4 Hours of Nursing Anatomy. God bless you bro. Keep on Recording

[MajidahBukhari]

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 😊

[AliHussain-zedy]

These videos cannot receive enough praise. Fantastic stuff