The Autonomic Nervous System: The Ligands and Receptors 🐧

[@orangeblock3792]

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Wow.. never thought studying the synaptic pathways could be such fun and actually so uncomplicated... Thank you Penguin Prof!!!!! You are ACE!!

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Iam a prof Anaesthesia It is one of best ANS Vedio I saw I will recommend this to my ug pg students. Thank u

[@Penguinprof]

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[@Penguinprof]

I am so glad to hear that!!! Thanks for watching!

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[@murraywright1103]

THANK YOU SO MUCH!!!!!! This was so clear and easy to understand. You saved me from hours of meaningless meandering on the internet and in my textbook! Awesome video!!!!!!

[@mariaellorango218]

Thank you so much! I cannot help myself but to post a thank you comment here. It helps me a lot to understand the differences of three pathways.

[@Scootlink]

Such a helpful video! Thank you so much!! I love the way that you explain the functions of the body. Makes it so much easier to understand.

[@Jrodrig1138]

Finally a video of the ANS involving receptors and where the targets are!!! thank you!!!!!!

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You have an amazing voice that is pure sunshine. You could wake the dead with that voice.

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[@zohamujtaba4930]

The soma of sensory neurons are contained in the dorsal root ganglia just a short distance outside the spinal cord, and are pseudo-unipolar neurons, which do not have dendrites, but rather one projection (hence uni-polar) from the soma which bifurcates into two AXONS, one of which is long and goes to the receptor, and the other shorter one returns via the dorsal root into the spinal cord. The fact that the longer one from the receptor is an axon is what allows the strength of the signal to be maintained from the receptor than a dendrite would allow.

[@KellyBezz]

Great job simplifying what can seem like a complex, intimidating system to students seeing it for the first time! I tutor and this is a very clearly done explanation. Thank you! God Bless!

[@elisamunoz9221]

Thank you so much! I learned more here than in my college class!

[@kimriley5679]

Best video I have seen yet on this topic!

[@Penguinprof]

Wow - thanks so much! Glad it was helpful!

[@bigevangelicalnetwork9064]

Thanks for your contribution

[@antonioclimax8346]

Thanks. Simply the best video to explain neuro-receptors

[@claire6811]

spent the entire day reading about this.. watch this once and suddenly it all makes sense !!!

[@Penguinprof]

+Claire Amie Woo hoo!!! Excellent! Thanks for letting me know!

[@naqibullahmasood8146]

Great job.thank you so much for the so helpful video

[@demianvangurp]

I have to learn this for university admission test, and I didn't understand it at all, till I saw this video. Thank you!!!

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You are funny and explain things so I can understand! Thank you!

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[@Cass_i]

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Very well explained

[@kishanbisht8769]

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[@mdsnfds]

Got it! Penguin prof style, thank you!

[@Penguinprof]

Awesome! Thanks for watching!

[@nurfathi6749]

perfect , beneficial summarized alot thxs

[@maraday9512]

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[@JacksonReynolds]

Spectacularly well-explained.

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You are so welcome!!!

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Thank you so much

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Thank you very much

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Excellent!

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Thank you...your lessons are wonderful.

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Prof, this video is amazing! Thank you :D

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Excellent

[@nilousam4719]

It was great, thanks...

[@nikinguyen7639]

Thank you ! Thank you so much for the explanation.

[@amanojyaku53]

素晴らしい。最高。発音がクリアで綺麗。生物だけでなく英語の最高教材でもある。有難う。

[@miswakdental]

Great job that cool, kindly make more videos

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Thank you! More to come!

[@MegamindMartialArts]

Very helpful will need to watch a few times though.

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Brilliant. just what i needed

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Thank you! It was REALY Helpful!

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De nada!

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Very helpful!

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This is great, thanks

[@niajaboyzz]

the intro was awsome! exactly what i was thinking. holy shit thats alot of info!

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amazing

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Really good teaching 👍🏻

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awesome

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I subscribed within the first 20 seconds

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+Amina A THANK YOU!!! :)

[@mrsrachita]

Best way of explanation.. Thanks..

[@Penguinprof]

You're welcome! Glad it helps.

[@lyndaidir1146]

YOU ARE AWESOME, YOU MADE IT SO MUCH EASIER THAN MY PROFESSOR LOL

[@Penguinprof]

+lynda idir Thank you for watching!!! The ANS drives people crazy but really it's not so bad after all... keep at it!

[@douniasaleh8211]

thank you so MUCH !!!!!!

[@MsNajmeh]

Great lesson, Thank you :)

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Thank you so much!!!! It looks so much easier now :)

[@Penguinprof]

+julie schoevers I'm so glad! Thanks for watching!

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HollyS**t - This updated lecture is a very different presentation.

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Thankyou, you made it really simple :)

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somehow your descriptions seem to sit me and feel less like jargon, thank you

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Do as many videos as you can

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tq

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[@tsunadachan]

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[@Thepoody]

Thanks so much, that unravelled my confused brain!

[@citydentalhubdr_t33th35]

how adrenaline is secreted? either direct from ganglion or ACH convert into adrenaline

[@noahguzman6823]

Does anyone know if calcium still enters the preganglionic neuron via voltage gated channels in order to release ACh to the ganglion? And is the action potential started again in the postganglionic neuron because Na diffused in after ACh binded causing the cell to depolarize?

[@yevgenkiosya]

A very nice vid! However, you create some confusion at the very beginning (1:00) - when you draw a sensory neuron. This purple neuron seems to have it's body (indicated by the star) in the CNS, while it should normally be closer to periphery. Also it's projection conducting nerve impulse from a receptor to the body looks like the only long axon, while it should be one of many dendrites. In other words, this neuron has wrong direction.

[@dannichols6261]

@Yevgen Kiosya, I think you're mistaken, in that the soma of sensory neurons are contained in the dorsal root ganglia just a short distance outside the spinal cord, and are pseudo-unipolar neurons, which do not have dendrites, but rather one projection (hence uni-polar) from the soma which bifurcates into two AXONS, one of which is long and goes to the receptor, and the other shorter one returns via the dorsal root into the spinal cord. The fact that the longer one from the receptor is an axon is what allows the strength of the signal to be maintained from the receptor than a dendrite would allow.

[@emkay7233]

You are my life

[@ambalikasarkar1709]

Thank you very much! I have a question here, since you seem to be proficient in neuroscience: how is the sympathetic nervous system triggered by visual cues? does the signal come directly from the visual cortex to the pre-ganglionic neuron via the spine? or does it have to pass through the amygdala and other regions in the hind brain region? I am asking this because I presume that an animal wont have much time to react in situation of a visible danger, hence can the amygdala etc be by-passed?

[@free2saywhatever]

Actually visual input is pretty quick. Less than a few microseconds. Most of the time it will be a cranial/brainstem reflex if an animal is in danger. At the same time some neurons would go down and activate motor neurons in the ventral horn of the spinal cord which will release acetylcholine/norepinephrine to trigger fight or flight response. It would be somatic nervous system activity at point, not so much autonomic.

[@ambalikasarkar1709]

Thank you very much :)

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Wow - that's quite an offer! Hopefully that won't be necessary!!!

[@sehlimohamed7319]

Is there. A summary or a mind map ?

[@Penguinprof]

+Sehli Mohamed The summary is at around 11:44 of the video. :)

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[@sameerkhannaSOS]

Video starts at 0:48

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Oh my god fuck my textbook after this