Ascending Tracts | Dorsal Column: Medial Lemniscus Pathway

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  • เผยแพร่เมื่อ 5 ก.พ. 2025

ความคิดเห็น • 618

  • @divyansheetomar
    @divyansheetomar 9 หลายเดือนก่อน +12

    I’m literally surviving my med school only because of you. Big thanks and huge respect, Sir ❤. I Love it how you make everything so easy and understandable. God bless you 🙏

  • @luziqa4046
    @luziqa4046 7 ปีที่แล้ว +741

    this guy really make your life as a medical student more easier . thumbs up!

    • @drdeb_ocherry
      @drdeb_ocherry 4 ปีที่แล้ว +3

      He makes my life a human better.

    • @alterego4228
      @alterego4228 2 ปีที่แล้ว +2

      Ong bruh teaches better than my profs LMAO

  • @himanshuambilkar4160
    @himanshuambilkar4160 4 ปีที่แล้ว +287

    Dorsal cloumn medial leminisus-
    Types of sensation-
    Fine discriminative touch
    2 point touch
    Pressure touch of skin
    Proprioception
    .
    Receptor-
    Raffinis corpuscle/bulbus corpuscy- vibration and stretch of skin.
    Pretracheal nerve endings- hair bend and touch.
    Paccinian corpuscle- deep pressure.
    Merkel disc- fine touch and superificial pressure.
    Meissners corpuscle- discriminative touch.
    Muscle spindle- 1A proprioception.
    Golgi tendon- stretch of muscle tendon.
    A alpha fibers- muscle tendon and Golgi tendon-.
    A beta - rest .
    Cervical part of spinal cord above T6.
    LUMBAR PART Of spinal cord below T6.
    1 St order neuron- drg.
    2nd - nucleus fasciulus
    Nucleus cuneatus.
    3rd -internal capsule.
    Drg
    Fasciulus gracilis- lower limb
    Fasciulus cuneatus- upper limb
    Somatotopic arrangements-
    Medial to lateral
    Sacrum to cervix.
    Ipsilateral SC.
    Nucleus cuneatus
    Nucleus gracilis
    Cross to opposite side C/L internal arcuate fibers.
    Medial leminisus
    ThalamusVPL/VPI
    Posterior limb of internal capsule.
    Corona radiata
    Primary somatosensory area
    Secondary somatosensory area.
    Sensory homunculus.
    Lenticular artery branch of middle cerebral artery supply internal capsule. Loss of sensation.
    Thank you sir

    • @Spark12395
      @Spark12395 ปีที่แล้ว +7

      I took this screenshot and applied as lock screen wallpaper. Thanks for writing.
      If you don't want this copying or screenshot please let me know I will delete

    • @DrmelissahH-k9g
      @DrmelissahH-k9g 5 วันที่ผ่านมา

      Actually the 3rd order neuron is on the VPL and after that it will go through internal capsul

  • @abigailchristina3072
    @abigailchristina3072 6 ปีที่แล้ว +382

    You don't get the recognition you deserve...amazing work!

    • @divineflower1466
      @divineflower1466 5 ปีที่แล้ว +5

      Dedicated ppl who are truly passionate about their work ,do not have time for applause and for making money out of 3 hr videos. Truly dedicated person prefers to work in silence... Whoevere is able to acknowledge the work, will eventually find and appreciate it... Great work! I want to thank you from the bottom of my heart for saving me from anxiety related to neuroanatomy😊😊😊 i wish you to stay this possitive and passionate as long as possible ❤❤❤ kind regards

    • @satg_comedy5520
      @satg_comedy5520 3 ปีที่แล้ว

      I swear.. the guy too good 🤲🏾🤲🏾

  • @lookingforsure
    @lookingforsure 6 ปีที่แล้ว +219

    this is going to sound dramatic but you saved me today. i spent the day too anxious to open my neuroly physiologie book because i never understand. and then i came on youtube to look for dr najeed or khan academy videos to explain the topic to me and thank god i found your videos. it's not an eight part series, it's not a 4 hours videos. it's simply perfect. thank you so so much!

    • @drdeb_ocherry
      @drdeb_ocherry 4 ปีที่แล้ว +1

      That's a great story! Buy s T- shirt!

    • @bnanachan7029
      @bnanachan7029 3 ปีที่แล้ว +3

      indeed, he covered everything, like i need to study according to the learning outcome and zach really helped me with his details. not too short or not too long. simply perfect to make me study one video in one sit, rest for a few minutes and continue the videos in the playlist.

  • @scientificninja7622
    @scientificninja7622 5 ปีที่แล้ว +119

    There isn't a video of yours I've watched that I haven't understood. It might look long but it is efficient and it is a 5 star lecture.
    God bless you!

  • @gattac900
    @gattac900 5 ปีที่แล้ว +1247

    You basically have the attendance of the entire medical school system.

    • @drdeb_ocherry
      @drdeb_ocherry 4 ปีที่แล้ว +14

      He gives medicine a good name!

    • @TogetherinParis
      @TogetherinParis 4 ปีที่แล้ว +9

      The better word would be attention, not attendance. Don't you think?

    • @MidhunKrishnaR
      @MidhunKrishnaR 4 ปีที่แล้ว +12

      @@TogetherinParis in India we use the word "Attendance" for "Roll call" , an Indian slang .
      We use" rubber "for eraser too 😉

    • @shaharpitkirankumar2557
      @shaharpitkirankumar2557 3 ปีที่แล้ว +7

      In which no proxies needed 😂

    • @stellai06
      @stellai06 3 ปีที่แล้ว +1

      haha so true

  • @gturps1317
    @gturps1317 2 ปีที่แล้ว +21

    Is anybody else amazed at his unintentional drawing of Squidward? 😂😄

  • @nafishrahman3941
    @nafishrahman3941 4 ปีที่แล้ว +77

    When you have Ninja Nerd
    You really don't need to go through text books 😂😂..
    This is so simplified ❤️

  • @Dr.Nellah
    @Dr.Nellah 6 ปีที่แล้ว +58

    I just love your videos. I don't usually like watching videos longer than 10mins but you sir are a great teacher!

  • @lucycesar8331
    @lucycesar8331 5 ปีที่แล้ว +15

    You are a lifesaver. I’ve spent 3 days trying to understand this, including classes and reading and I just couldn’t, so then you go and make me understand in 30 minutes, you sure deserve more recognition. Thank you for this video from the bottom of my heart

  • @ahmadbaera5519
    @ahmadbaera5519 5 ปีที่แล้ว +22

    I don't have enough words to describe how amazing this channel is. best regards from Sweden

  • @mimiboobies
    @mimiboobies 4 ปีที่แล้ว +2

    There's nothing i can say that hasn't been said before but for most of us who rely on youtube to learn would have to drop out of class if it wasn't for you. A BIG THANK YOU from me and those of us who've benefit from your work. You are a genius!!!!

  • @jaygala9420
    @jaygala9420 ปีที่แล้ว +6

    I miss my lectures in the med school just to attend your classes cause you teach in such a way that it directly penetrates deep into my brain. Thank you so much sir for such wonderful lectures. You are the main reason why I pass my med school exams with good scores. Love from India 💯❤️

  • @aliciamzapata2686
    @aliciamzapata2686 ปีที่แล้ว +3

    Ninja Nerd I thank God every for the gift you have to teach and convey so such hard subject: like neurology , you make it so easy for me to understand, Thank and God Bless you million times!!!! you and team are geniuses!!!!!!!

  • @HafizaTokhi
    @HafizaTokhi 4 หลายเดือนก่อน +1

    you're saving my life with nursing school you're an angel thank you so much

  • @agh6452
    @agh6452 4 ปีที่แล้ว +3

    I know a professor he was the perfect 👌 one teaching anatomy with the most beautiful drawing, I never ever forget him, your way of teaching reminds me him

  • @alih1693
    @alih1693 5 ปีที่แล้ว +5

    can't stress enough how useful these ascending tract videos have been. i've not understood them for the first four years of medical school, and it took this guy 36 minutes for me to grasp the concept. huge thanks

  • @chriskeyser6592
    @chriskeyser6592 3 ปีที่แล้ว +5

    Your ability to breakdown something so complicated and put it into an understandable form is truly amazing. You are the only reason I will get through med school neuro. Thank you!

  • @swiftiegirl3037
    @swiftiegirl3037 3 หลายเดือนก่อน +1

    you are such a gift to medical students. thank you Zach!

  • @amysmith826
    @amysmith826 5 ปีที่แล้ว +6

    In 36 minutes you have taught me what took hours to go over in class. Thank you!

  • @291ayl
    @291ayl 4 ปีที่แล้ว +2

    I have been repeating neuroanatomy and brushing up... AMAZING! Thank you for actually making this better than NETFLIX!

  • @eddygooch8976
    @eddygooch8976 4 ปีที่แล้ว +4

    You have a gift! The way you explain all this information, make it understandable and way easier to remember is amazing. Thank you so much.

  • @ysgb6543
    @ysgb6543 11 หลายเดือนก่อน

    You truly are a living angel! Words can't express how grateful I am. Love from France.

  • @14lilchica
    @14lilchica 5 ปีที่แล้ว +6

    I was really struggling with these tracts! Watching these videos has helped immensely! I seriously cannot thank you enough!

  • @frenlyneybur7544
    @frenlyneybur7544 6 ปีที่แล้ว +2

    So much better than my professor.
    Watched my lecture 3 times, didn't understand.
    Watched this once and grasped everything.
    THANKYOU

  • @VinaKay95
    @VinaKay95 5 ปีที่แล้ว +5

    I've always had a fear of neurology and my finals are coming up so I'm resorting to this because textbooks haven't been helping thus far. Lots of admiration from a Malaysian med student. Your videos are informative and you speak so clearly and confidently, I love it! I love you!!

  • @sudeguneysu2689
    @sudeguneysu2689 ปีที่แล้ว

    my future patients owe you a debt of gratitude. thank you sir.

  • @Kiwinpineapples
    @Kiwinpineapples 4 ปีที่แล้ว

    Hola!
    It's been long now that I'm studying through your lectures; You are a real gift from our father in heaven, you are a real messiah saving live of millions of medicos every single day
    It's just because of you that we don't give up on our dreams.
    Your lectures are like a light which rescue us from the demons that our mind is growing because it becomes incapable of any help.
    Thank you NINJA
    Thanks a loads.
    Love you loads bro
    The real life saviour.

  • @xdanx01
    @xdanx01 6 ปีที่แล้ว +7

    I'm so glad that I found your channel, I've been trying to wrap my head around these tracts for weeks and in half an hour of watching your video I understand it completely! Thank you so much!

  • @MsElina28
    @MsElina28 3 ปีที่แล้ว +1

    I am out of words!!! You are amazing!!! I wish you were my professor , you are so passionate about what you do, so energetic, you make sure to explain everything in a detailed and simple way and to remind the names of structures again and again so it will really linger there in the memory. I can't thank you enough!!!

  • @farwabatool4501
    @farwabatool4501 ปีที่แล้ว

    The subject that I used to dread the most in medical school is what I enjoy studying the most now in my post-internship-exam-preparation era and I certainly regret not watching your Neuroanatomy lectures before. I have watched others for sure and been a fan of your concept building, making it fun whilst making sure to not skip any of the details energy! Super grateful to you!

  • @maather1509
    @maather1509 3 ปีที่แล้ว

    This man is saving my life, my marks and my dream of being a doctor in the future as well.

  • @erinr5723
    @erinr5723 4 ปีที่แล้ว

    As an extremely lackadaisical med student who doesn’t attend classes or read often, I just wanna say your videos cover most of my material and I really love you❤️❤️❤️❤️

  • @jaquesfrancais3030
    @jaquesfrancais3030 4 ปีที่แล้ว +26

    "I'm glad u asked" - Living Legend

  • @cdschlotzhauer22
    @cdschlotzhauer22 3 ปีที่แล้ว +1

    You are the sole reason I am getting through Grad School neuroanatomy. Thank you!

  • @theouphehimself5867
    @theouphehimself5867 4 ปีที่แล้ว

    I am blown away by how clearly you explain neuro topics. Keep it up dude! And thank you!

  • @JeanAbdo
    @JeanAbdo 4 ปีที่แล้ว +1

    This is so epic, like watching a LOTR trilogy or something; same awe-inspiring, mindblowing, jawdropping appreciation for what's unfolding in front of me. I supported you guys once and will do so again as soon as I can afford it! Thanks so much for the attention to detail, the informative and easy-to-follow yet highly insightful teaching materials.
    And it is freakin' free. Amazing times we live in.

  • @Yasmin-qh5ig
    @Yasmin-qh5ig 4 ปีที่แล้ว +4

    There's something about you that makes it all seem so simple! Can't thank you enough! God bless you!

  • @hamadkhan8046
    @hamadkhan8046 3 ปีที่แล้ว +1

    thanks sir i don't know whether you believe or not but this topic without this video was kind of Hell you really made medicos study easier.

  • @safiyahlazkani4853
    @safiyahlazkani4853 3 ปีที่แล้ว

    This guy is an amazing teacher. Literal life saver. Thank you thank you thank you!!!

  • @A.I.HeartStrings
    @A.I.HeartStrings 5 ปีที่แล้ว

    Happened in your videos today , i genuinely hope you became a professor now and you have at least 200.000 students listening at you .

  • @lukeslotton
    @lukeslotton 4 ปีที่แล้ว +2

    Honestly, you are so good at this, it is truly a pleasure to watch you explain this. My professor is exceptional, but this helps SO much!

  • @Allthetimeawesome
    @Allthetimeawesome 5 ปีที่แล้ว +3

    I'm getting my Doctorate in Physical Therapy and this is so important and your video was so helpful in me understanding this concept! Thank you so much!

    • @lisaa234
      @lisaa234 3 ปีที่แล้ว

      I'm getting the same degree ❤️

  • @Mission-Omega.
    @Mission-Omega. 4 ปีที่แล้ว +1

    You are nothing but realy a man of quality,Sir...May you live live long....Respect and love for you.♥✔

  • @hanyaahmed9252
    @hanyaahmed9252 ปีที่แล้ว

    this video is literally a masterpiece you made everything make sense you are a life saver fr

  • @fanoor2427
    @fanoor2427 2 ปีที่แล้ว +1

    Its a shame that medical schools do not provide this level of teaching, it's a waste of money. Ninja Nerd and Medicosis perfectionalis are my saviours

  • @sherdud
    @sherdud 6 ปีที่แล้ว

    UNBELIEVABLE!! A lifesaver for my Speech-Language Pathology Neuroanatomy Course!! THANK YOU!!

  • @Hernandez694
    @Hernandez694 6 หลายเดือนก่อน +1

    He taught me more in 36 minutes than my Neuro professor did in 15 weeks

  • @Mr-Epic-Pk
    @Mr-Epic-Pk 3 ปีที่แล้ว

    The more i watch his videos,the more am getting into him.He deserves everything in this world.

  • @benjamanrobertoestebancamp3601
    @benjamanrobertoestebancamp3601 4 ปีที่แล้ว +1

    Just want to thank you for everything you do to deliver this lectures to us, really appreciated. Saludos desde chile papichulo.

  • @rt0466
    @rt0466 4 ปีที่แล้ว +1

    You are simply BRILLIANT. So glad I've found your videos, you are so gifted, thank you!

  • @davidandlyndaburke3394
    @davidandlyndaburke3394 5 ปีที่แล้ว

    Im hooked to ninja nerds neurology. so easy to understand and so easy to remain fully attentive.

  • @vivianosuala8150
    @vivianosuala8150 3 ปีที่แล้ว +1

    I love love this guy...my human saviour in med school 💙💙💙

  • @benl9776
    @benl9776 ปีที่แล้ว

    I actually understood and not only memorized this for the first time. I am thankful for your guys' work.

  • @nnn6054
    @nnn6054 3 ปีที่แล้ว

    Was lost in my neuro anatomy class. Understood this lecture perfectly. MVP

  • @kevinmolinamacias6384
    @kevinmolinamacias6384 6 ปีที่แล้ว +3

    you deserve a lot, you made my neuroscience classes way easier

  • @hannahortillo2740
    @hannahortillo2740 3 ปีที่แล้ว +1

    This channel saved my life and grades

  • @adamsfilmfactory
    @adamsfilmfactory 4 ปีที่แล้ว +1

    Ninja Nerd Science, saving med student's lives on a daily basis. Thank you!

  • @raksharani215
    @raksharani215 4 ปีที่แล้ว +1

    thank you for being such a good teacher .you make things easier.Respect and Love from INDIA.

  • @MdNasir-mo1vf
    @MdNasir-mo1vf 4 ปีที่แล้ว +1

    Wow what a amazing way of teaching and giving every concept, I am thankful of you, and a lot of love from nepal 🇳🇵 ❤ ♥ 💕

  • @zizupleikis7762
    @zizupleikis7762 5 ปีที่แล้ว +2

    Just don't have enough words for your videos! Simply amazing. You help us out so much!!

  • @sarahnorris2750
    @sarahnorris2750 5 ปีที่แล้ว +10

    Best video I have ever watched, usually only stick to the 2 minute ones but am so glad I took the time to understand this, helps so much! Understand it now completely

  • @bensmississa7639
    @bensmississa7639 3 ปีที่แล้ว

    My language is Arabic (Algeria 🇩🇿)
    I am studying medicine in French language
    I am understanding lessons with English language
    Thanks a lot doctor 👨‍⚕️😊😊😊

  • @caylabillstein6401
    @caylabillstein6401 3 ปีที่แล้ว

    I can't believe I just watched a 36 minute video without checking the timer! He does such a good job of connecting so many things.

  • @ramahmardini222
    @ramahmardini222 5 ปีที่แล้ว

    You are the smartest human being I know. That concept took me days to understand and you explained it in less than hour genius

  • @nadhirahabubakar4577
    @nadhirahabubakar4577 5 ปีที่แล้ว +2

    I was really in need to understand this topic and you saved me!!!!!!! Holistic explaination.

  • @Tkup495
    @Tkup495 6 ปีที่แล้ว +35

    Such a great video! Im so glad Ive discovered your channel! I always remember it as GRacile = GRound (stomping legs on the ground) and cuniate = Cervical spine (upper limb), just in case someone needs help remembering it :)

    • @siddarth.v3533
      @siddarth.v3533 3 ปีที่แล้ว

      F.gracilis .....'gracilis' is a lower limb muscle.....just another mnemonic😁

    • @nataliatoth6488
      @nataliatoth6488 3 ปีที่แล้ว +1

      Other mnemonic is fasciculus Gracilis other name is Goll
      With your musculus gracilis get a Goal :D (fas.gracilis get sensibility from your legs)
      (Musculus Garcilis-M is midle at the spinal cord, the Fasciculus Gracilis is at the middle)

  • @nyananguei1928
    @nyananguei1928 3 ปีที่แล้ว

    My legend! All I convinced my limbic system medically is you.
    💕Much love 💕 Dr. Zach Murphy

  • @subhodeepmaity3482
    @subhodeepmaity3482 4 ปีที่แล้ว +1

    Thank u sir i never understood from book but after seeing Ur video it made so easy. Thank u sir 🙏 Love from India💓💓💓

  • @naradeguzman6429
    @naradeguzman6429 3 ปีที่แล้ว

    you are single handedly saving my degree. thank you thank you thank you ! my only regret is that i didn't find you sooner !!

  • @1331reza
    @1331reza 2 ปีที่แล้ว

    Thanks God because of you. In my opinion, everybody in the filed of heath care sciences should learn from your videos how to teach.

  • @phenom7435
    @phenom7435 6 หลายเดือนก่อน

    You've literally saved my life. Thank you so much

  • @nattochiiin8939
    @nattochiiin8939 2 ปีที่แล้ว

    Literally watching this the night before neurophysiology card final XD
    Always grateful for the amazingly helpful videos

  • @Hina_90
    @Hina_90 6 หลายเดือนก่อน

    You will go down in history to be the top most medical professional. Thanking you for eternity

  • @ginasofia8908
    @ginasofia8908 6 ปีที่แล้ว +2

    This video is amazing! Yay!! Thank you!! Nerd herd unites!!

  • @sabrina-katharinahoyer6613
    @sabrina-katharinahoyer6613 10 หลายเดือนก่อน

    One of your best videos of the neuro-playlist! thx a lot :)

  • @henrysimpact1531
    @henrysimpact1531 3 ปีที่แล้ว

    Very very excellent and useful personality for this generation....u are my hero

  • @mahiialam-v1u
    @mahiialam-v1u หลายเดือนก่อน

    can't thank you enough for such a great delivering method of each and every concept. hats off to you

  • @ThePedalfoot
    @ThePedalfoot 6 ปีที่แล้ว +2

    LOVE your videos they make the topics I learn in medical school so much easier. Found you when I started doing digestive system and watched every video :). Continue to make great content!!!

  • @nidhirana1898
    @nidhirana1898 5 ปีที่แล้ว +2

    You explained everything in such detailed yet simplified manner!
    Great job man! 👍🏻

  • @bella7073
    @bella7073 ปีที่แล้ว

    I really have no enough words to thank u Zach. Thank uuuuuu loads 🙏

  • @roree.m7397
    @roree.m7397 4 ปีที่แล้ว +1

    thank god i'm a medical student in the 21st century and i have your channel , otherwise, idk what would i do to survive

  • @sandiyaparthasarathy7119
    @sandiyaparthasarathy7119 ปีที่แล้ว +1

    you made my way very easy and clear to study this part which I was struggling a lot .Thank you so much sir👍👍👍👍👍👍👍

  • @BahiehNoorafkan
    @BahiehNoorafkan 11 หลายเดือนก่อน

    I dont know how to thank you man. I should pay you instead of my school. Thanks a million times.

  • @skyler6136
    @skyler6136 4 ปีที่แล้ว

    This channel is honestly so underrated! We are all so grateful to you Sir for this amazing content

  • @lahore69
    @lahore69 3 ปีที่แล้ว

    The hero we desperately needed... he is the chosen one 💪

  • @niladrimajumderrphgmc7228
    @niladrimajumderrphgmc7228 3 ปีที่แล้ว +2

    Your lectures make my concepts so clear! Indeed saving me before exams

  • @duhaal-qaderi689
    @duhaal-qaderi689 ปีที่แล้ว

    this guy really make your life as a medical student more easier

  • @KhushbooSingh-mw8wg
    @KhushbooSingh-mw8wg 6 ปีที่แล้ว +18

    I would love to meet you personally and tell you how much all of this makes sense to me now! You're my knight in shining armour!

  • @taldavis8874
    @taldavis8874 2 ปีที่แล้ว

    Your videos have saved me countless times- thank you!!

  • @iannguata8497
    @iannguata8497 3 ปีที่แล้ว +2

    You are practically an angel walking among us

  • @taoficmakaya1727
    @taoficmakaya1727 2 ปีที่แล้ว +1

    Man i swear you deserve more❤❤❤, What a good explanation!!!!!

  • @josetrujillo738
    @josetrujillo738 4 ปีที่แล้ว +3

    What else do we have?! I’m glad you asked. (Too much funny! Ahahahaha!) It’s just to good and funny! Ahahahahahaaha! How is it even possible! This is awesome

  • @maniacalmonster1
    @maniacalmonster1 3 ปีที่แล้ว

    Your explanations top every other media I've accessed, thank-you

  • @haileymarshal8180
    @haileymarshal8180 2 ปีที่แล้ว +1

    thanks u made my life easy😄

  • @anyesmoh9260
    @anyesmoh9260 3 ปีที่แล้ว

    Preparing for a CAT. Still valid 3 years later. Thank you!!!

  • @charliejames8176
    @charliejames8176 5 ปีที่แล้ว +1

    Truly Amazing! You should get Awards for this! Thank you from Sweden!

  • @roshnikaur5327
    @roshnikaur5327 2 ปีที่แล้ว

    Best channel……I’m a big fan of your teaching skills…..you just clear the concepts so well😊😊

  • @radiok.5089
    @radiok.5089 4 ปีที่แล้ว +2

    Amazing work! A small detail is that the drawing of the internal capsule is mirrored (anterior and posterior limbs are facing towards the midlinestructures instead of lateral).