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Ascending Tracts | Spinocerebellar Tract
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- Опубликовано: 19 авг 2024
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Just wanted to let you know, that you save asses all over the world...
Best wishes from Germany and thank you a lot for your impressive work!
hello sir , i hope u're doing well ,
can I ask u some stuff about studying medecine in germany ?
Florian Kreuzer confirmo desde chile
Don't judge florian
Thank you so much for your efforts. I am a Neuropsychologist, and spent a lot of the 90's learning neuroanatomy from textbooks. What a luck people have today. Even for me, it makes me want to see the videos, and then review the books, but now with an "unfair" advantage. You can't imagine the difference this would have made for me back in 1999...
The advancement of medicine really can be such a blessing!
Because of you, I am surviving (and succeeding) in PA school!!! From the bottom of my heart, thank you.
You literally have no idea how grateful I am😭😭
A master lecture. As a physician, I would love to be your patient.
2:19 Dorsal (posterior) spino-cerebellar tract: C8~L2,3
9:14 1st order neuron; dorsal root ganglion
9:24 2nd order neuron; Clarke's column (nucleus dorsalis)
10:19 Inferior cerebellar peduncle
10:36 Dorsal spinocerebellar tract
11:11 3rd order neuron; cerebellar cortex
11:40 Ventral (anterior) spinocerebellar tract : below L3
13:13 Decussation
14:14 Superior cerebellar peduncle
14:40 VST crosses behind the brainstem
15:00 DST/ VST comparison
16:28 Cuneocerebellar tract; C1~C8
21:!0 Inferior olivary nulcei-> inferior cerebellar peduncle
Fibers that stretches from inf. cbr nuclei-> cbr: "Climbing" fibers
anywhere else->cbr: "Mossy" fibers
3rd order neuron - cerebellar cortex not cerebral cortex
@@shaileshkandpal238 How clumsy was that thank you :)
@@stacy2126 you're welcome
By the way the timestamps were very helpful
You are a real legend.. saving lots of us medicos.. be blessed.
you've single handed saved my nuero module, absolute hero.
Same
You have one of the best medical channels everfor history keep goin' ❤
I really wasn’t understanding my lecturers... this saved my life
This was an excellent video on a very complicated topic! I have already watched it three times and i will return back to watch it again. There is so much information jam packed, that it needs to be reviewed many times for most of us, but you broke it down in a way that was easy to understand which is extremely difficult due to the complexity of the topic! Thanks again for all your help Ninja nerd!
From a 50 YO practicing chiropractor.... This was an amazing presentation. God speed to you. Awesome Job.
Thank you sooo much!!!
GOD SPEED
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Excellent lecture. Clear and concise treatment of a very challenging topic.
Another great video! Thank you! Btw your enthusiasm is so refreshing, I'm studying plus being amused at the same time. Keep up the great work!
You are a Life Saver!!! I understand this stuff when YOU explain it! I come away with a clear understanding of how the systems fit and work together! I'm not saying my instructor is a bad teacher, he's a great guy actually, but he is so hard to follow. Thank you so so much for your lessons... There is hope for me!
Amazing explanation! Cleared up so much and the last part about mossy fibers and climbing fibers just cleared up so much. Thank You.
You're my constant savior in med school and throughout further.... man, i can't thank you enough for your awesome work to us !
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Merci beaucoup! J'ai très bien compris ce cours grâce à vous. Greetings from Algeria.
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you know how to explain and teach other people and make them understand and remember at once .Your explanations are the best and easiest for us to understand. I like the way you explain from the basis and go to advanced information. Thank you very much for sharing these videos to public. You are a hero for medical students like us because you make us be able to save money and time to buy and read those heavy medical textbooks. I wish the lecturers at my uni were able to explain like you do.
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loved your lecture a lot, less time consuming and giving total of it
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Ninja nerd salvando traseros hasta en chile. Gracias, ojalá mis profesores enseñaran tan bien.
This entire presentation was exceptionally well-done. Thank you for providing this content!
Never thought i'd simp for someone because they explain neurology concepts really well, but here i am
From Portugal a big thank you sir, you rock!
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you make life so freaking easy. Bless your soul!
Thank you sir ! For making anatomy simple.......
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You have a gift and u r Sharing this for free is proof enough of how blessed u r always gonna be. Great work man!
you will be a very very good teacher
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Zach you are awesome. I know you will become the best Emergency Medicine doctor in the future
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If u own the uni and pay the money upfront then yes
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Just passed my exam in the kidneys in med school and your videos were a big part of that. I’ll send some money your way when I graduate ❤️
you are the best . i have neuroanatomy exam for my phd and i just watch your vedios . i just want to say thank you
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thank you so much for making the spinocerebellar tracts sound like a breeze!! always used to mess them up, but this has really made it super easy to understand!
Dorsal (posterior) spinocerebellar tract
The primary function of the dorsal (posterior) spinocerebellar tract is to relay cerebellar tract proprioceptive input from the neuromuscular spindles and GTOs of the ipsilateral trunk and lower limb, to the cerebellum. It should be recalled, however, that it also relays some touch and pressure sensation from the skin of the ipsilateral trunk and lower limb.
First order neurons (pseudounipolar neurons) whose cell bodies are housed in the dorsal root ganglia send their peripheral processes to the skin, muscles, tendons, and joints. Here they perceive proprioceptive information, which is then transmitted to the spinal cord by their central processes.
These central processes join the medial division of the dorsal roots of the spinal nerves to synapse in the nucleus dorsalis (Clark’s column, lamina VII of spinal cord levels C8 to L2, 3) at their level of entry. Sensory information transmitted by spinal nerves entering at the sacral and lower lumbar spinal cord levels (below Clark’s column) is relayed to the caudal extent of the nucleus dorsalis (L2, 3) by ascending in the fasciculus gracilis.
Clark’s column houses the cell bodies of second order neurons whose axons form the dorsal spinocerebellar tract, which ascends ipsilaterally in the lateral funiculus of the spinal cord. When this tract reaches the brainstem it joins the restiform body (of the inferior cerebellar peduncle), and then passes (as “mossy fibers”) into the vermis of the cerebellum. The dorsal spinocerebellar tract relays proprioceptive information directly to the cerebellum where this information is processed; it plays an important role in the fine coordination of movements of individual lower limb muscles or synergistic muscles controlling movement of the same joint and in the maintenance of posture.
FROM
A Textbook of Neuroanatomy
Second Edition
Maria A. Patestas
Leslie P. Gartner
Thank you. Question, SC normally ends at L1, Clark's column ends at L3, how is that possible?
@@xDomglmao Do not confuse with spinal cord segments for vertebral level. Conus medullaris ends at L1 level which corresponds to spinal segment coccyx 1
@@shanartz8152 Conus ends at L1 vertebra and this means coccyx 1?
@@xDomglmao kindly google vertebral level and spinal segment ( look for images)
@@shanartz8152 Thank you! I checked 5 different sources and all were not precise but it makes sense how you explained it! :) Enjoy your day
EDIT: So I checked the pictures and please correct me if I am wrong: I was told by my teacher today that Clarke's column ends with the SC (which would mean vertebra L1); but when I checked which spinal segment this equals, it says T11 - so if I compare this with what you suggested initially (that the books' "L3" were referring to spinal segments rather than vertebra, which initially made perfect sense) it doesn't work out anymore :/
So either I misunderstood my teacher or something still not ok :/
EDIT: Fuck, man, you are right! Thx!
Thank you so much sr i covered all my course from your videos thank you so much for your efforts
a simple but yet detailed presentation... Bravo
Love ur teaching sir.....from tamilnadu India......thank you sir
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I honestly wish you were my neuro professor. Thank you so much!!
Thanks, great presentation!
Best explanations ever
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Best and simple teacher really appreciate ur effort 🙏🏽🙏🏽🙏🏽🙏🏽🙏🏽
I swear to god I was so overwhelmed with neuroanatomy and the syllabus in general when you mentioned what I was looking for I started crying 😭
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very very specific!| loved it! you made it so easy to understand! thank you thank you!!
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thanks that was really useful
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Are you planning to do also Lymbic System and Cognitive Function? That would be awesome!!
Best explanation what I was see !
thank you from russian student in czech republic