Anatomy of the Brain | Dissectible Model
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- čas přidán 31. 03. 2017
- Official Ninja Nerd Website: ninjanerd.org
Ninja Nerds!
Join us in this video where Professor Zach Murphy will be discussing the anatomy of the brain through the use of a dissectible model to get a better view at smaller structures. We hope you enjoy this lecture and be sure to support us below!
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Summary with timestamps:
Grey matter: unmyelinated, cerebral cortex,
sulcus lines and gyrus are parts of brain.
2:00 min Longitudinal fissure, dura septa and fauxa cerebri
central sulcus divides frontal and parietal... behind it is postcentral gyrus (primary somatosensosry cortex), in front of it precentral gyrus (primary motor cortex), in front of that is premotor cortex.
4:45 medial view for sulci and gyri, parietal lobe: parieto occipital sulcus to central sulcus ,occipital lobe is parieto occipital sulcus to tranverse fissure .
6:00 temporal lobe: lateral sulcus divides it and parietal.
7:51 close up medial view: cerebral cortex
outside is cerebral cortex it's GREY MATTER.. inside
is WHITE MATTER= MYELINATED
Lateral ventricle, with choric plexus= 43...41 hippocampus
= for memory.
10:16: brain flipped upside down looking at lateral ventricle...
47 = projection fibers, corona radiata moving fibers up to cortex
12:05 diencephelon
insula 5th lobe, corona radiata
40 lateral ventricle and choroid plexus of lateral
ventricle
undearneath basal nuclei, caudate nucleus, washed by lateral ventricle
there to dampen unwanted motor movements.
14:00 White fiber head of duck (FORNIX), collects limbic nucleu, associated with emotion fear anger sexual desires. underneath
is another choroid plexus for 3rd ventricle that makes CSF
12, pineal gland that secretes melatonin for sleep..
eye for duck is thalamus with intermediate mass is eye
14 is bird's beak hypothalamus, and edge of beak is infudibulum
16:30 BRAINSTEAM time... midbrain: sup colliculi: reflexes of head position in response to VISUAL stimuli, inf colliculi: reflexive head movements in response to head movements.
medulla and pons shown
42 sup cerebELLAR peduncle
inf cerebellar peducle...
18:30 white nuclei inferior/posterior to hypothalamus is mamillary body
17: CereBRAL peducles going to cortex
sup(31, connects midbrain to cerebellum) middle(42, pons to cerebellum) and inf (36, medulla to cerebellum)cereBELLAR peduncle
19:40: BRAINSTEM... midbrain, pons, medulla
medulla pyramids for decussation of corticospinal tracts
26: olives, involved in proprioception
20:40 corpus collosum commisary fibers connects the two hemispheres...
septum
21:30 Cranial Nerves begin
Olfactory odoring chemicals send action potentials through cribiform plate through olfactory nerve
22:10 CN 2 OPTIC NERVE, one of left and one of right eye, some of fibers cross and that's where you have OPTIC chiasma. retina through vision relayed to optic canal
23:00 CN 3 Oculomotor comes from sup orbital fissure for eye movements
23:40 Trochlear nerve through sup orbital fissure, also for extraocular movement SO4= superior oblique is trochlear
24:14 TRIGEMINAL... muscles of mastication and sensory of face.. sup orbital, foramen rotundum and ovale. motor
24:50 CN6 Abducens LR= Lateral Rectus 6, motor.
25:15 facial nerve various diff regions.. usually moves through stylomastoid foramen, helps for motor and sensory.
25:50: CN8 VESTIBULO COCHLEAR NERVE HAS TWO BRANCHES VESTIBULAR AND COCHLEAR... BALANCE, HEARING, and MOTOR MOVEMENTS
26:30 CN9 GLOSSOPHARYNGEAL, through Jugular foramen
27:00 VAGUS parasympathetic nerve, through Jugular foramen
27:24 ACCESSORY NERVE , through Jugular foramen, 2 branches..spinal and cranial root
28:00 last nerve hypoglossal nerve coming off of hypoglossal canal and supplies extrinsic muscles of the tongue, mainly motor nerve.
28:35 CEREBELLUM
28:50 vermis of cerebellum and a dural septa CALLED faux cerebelli in between...protecting veins of area.
Grey matter of cortex and then folia too.
29:35 transverse fissure, anotehr dural septa the TENTORIUM CEREBELLI
30:00 WHITE MATTER TREE= ARBOR VITAE... unmyelinated grey matter, mostly purkinje, and also have cerebellar peduncles that are white matter.
31:00 BROCA's AREA left frontal side for speech,
31:15 behind it is primary audiotry cortex..
31:30 wernicke area in parietal and occipital.. imp to put words into a full sentence...
32:10 OCCIPITAL LOBE PRIMARY VISUAL CORTEX.. all those fibers from the optic nerve go to the LGB lateral geniculate body nucleus then to primary visual cortex in the occipital lobe where we can perceive visual stimulus we took in.
Thank you very much
Ahmad thanks
Amazing 👏 thank you
Hey thanxxx🤗
Good job
Seriously man, it's really impressive the amount of knowledge that you've gathered and even more impressive the clear, logical sequence you use to explain all of it. You're a natural. P.S. where'd you get such a sweet dissectible model of the brain?? I want one!
I had a brain aneurysm rupture in my occipital lobe - I did lose some vision, but at least I survived. Now, I'm determined to study neuropsychology
Jennifer M Funny how life works lol
@@ianstephens333 What is so funny?
Puja Shrestha I mean "funny" as in interesting because sometimes our ailments can inspire us to delve further into it and before you know it, it becomes your career. Happened to me as well.
Ian Stephens yea there is a reason why we here , we just gotta figure it out otherwise life makes us figure it out by kicking the shit out of us
Ian Stephens my brother is a patient of CEREBRAL PALSY , He has epilepsy , I’m in medschool and I’m studying medicine for him
you managed to teach me in 32 minutes what my lecturer could not in a year . you're truly the best !
4r no cap
That was fantabulous!!! I am surviving med school just bcoz of you.... So well explained....
True but when you sign medical contract then you Have earldy sold both your soul and time to Medicine.
So Welcome to medicine
This was super educational, I've had a really hard time grasping all this information as a whole in my A&P class but this video connected everything for me. Really appreciate it, best account ever!
I have a lab practical wednesday....should've studied more but I've learned more from you than traditional studying..cheers!
this video taught me so much than a week's worth of lecture
God bless you so much Zach for your hard work. Your videos really helps me a lot. Anatomy and physiology is now one of my favorite courses in Nursing school😘😘
Honestly I am not using my textbook because these videos are so well explained, I feel like I remember everything you say after you teach it once because of your facial expressions, hand movements and you continually repeat what you say. I just started nursing school and it has been very hard working from home, the lectures are dry and usually just audio versions. I am so glad I found your channel, Gotta DONATEEEEE lol, I am actually afraid my internet might go down and I'll lose this resource because it's so good, I am going to take anatomy for my electives through out my nursing degree I am just so excited. Thank you!
You are awesome, so easy and great videos. I pass my exams because of you, so thanks for help!
with you we will crush all the exams, you amazing
I cannot tell you how helpful this was. All I can say is thank you!!!
thank you so much! I learned more in 30 minutes than in an entire week during my lectures. You are amazing!
Thank you so much, you really made it so easy for me. I always felt CNS is so difficult, and you made it easy for me
Your lectures and way of explanation are just awesome beyond words. A great help during exam preparation. Thank you
I am impressed! I learn a lot while looking for what can cause my long term migraine. So much interconnected informations. Even you mentioned Insula here. I am happy to watch and study with you
Very well visualized and taught. Nice teaching skills
I’m watching this video during COVID we don’t have in class labs for A&P 1 thanks for this video🙌🏽 it’s gold right now
What a brilliant way of teaching. A big thank.
So far the best explanation I had found. Thank you for sharing :)
Love this. Would love to see it slowed down to go over what each part does and to review and help with retention before moving on. As is I just keep rewinding and watching it over and over, trying to get comfortable with the concepts. So obviously it's still working for me, not complaining. ❤️🧡💛
11:24 when u watch this video in quarantine this word definitely stays better than the other words in my memory.
Thx guy who chose that name
Fun favt:
The point where the trachea speretes is called thr carina
#CarinaLung
Thank you so much! I was so lost with anatomy, but you have saved me!
That was awesome of u Sir :D .... I was awestruck the way u explained everything so easily and amazingly :) thank u soooo much for making it so clear .... now I'm really determined on becoming a neurosurgeon myself really so
Thanks a lot❤ we all would appreciate it if you guys can add subtitles to this great video.
You are a blessing for medical students
I’m here coz I have a practical test tomorrow. I really need this video. Thank you for sharing!
Everyone here for med school im here coz my brain told me to learn more about itself
You are not the only one
Same
my brain wanted to see what it look like... so yeah
want to know what the heck my brain has been up to all these years
same lol!
the way u explained was so good and understanding thank you so much
Thank you for this video!!!
BEST FREAKING VIDEO ON THE BRAIN EVER!! 🙌
Awesome, great job,! good explanation thanks so much.
Everything good abt this video... awesome wrk done
Excellent presentation indeed. Congratulations sir.
Thank you!!! Very helpful.
Your are great! Thank you for these videos!😍
Beautiful explanation
Amazing video as always, thank you so much
thanks for the easily understandable illustration of the brain anatomy , loved it
Such an awesome video. Thank you.
This was amazing🔥
Thanks a lot🙏
Thank you so much. Best teacher ever
You are amazing ! This video is very helpful thank you so much
Very well made sir
I watch Ur videos a lot and they are very helpful plz can u make a video on brain stem would be of great help
Wow this was a really great lecture just what I needed to hear will. One back to review!!
I love this man!!! LoL
This Channel makes my medical graduation easier and richer in knowledge! Greetings from Feira de Santana - Bahia, Brazil!
Hi
very very well done.! Great contribution. Keep it up
could you please share what model of the brain is this and where can i get it from?
Didn't know that the brain was that way! Amazing!!!
Phenomenal lecture 👌 👏 🙌 Thank you so much ❤❤
This video is just awesome. ❤️❤️
Bring some videos on cerebellum brain stem corpus callosum spinal cord and more
Thanku !!!! Amazing you have so much clarity
Oh Man I love your work, Thank you wo much
really Amazing sir.Thank you alot sir.
Awesome content
This is awesome 💫
Thank you
my brain is hurting all that information. Thanks dude!
I’ve been watching your videos for 4 months now and I wonder what you look like #FinalsWeek 🙏🏻
Thank you for mentioning proprioception, I was literally wondering about whether that was in the somatosensory cortex or not just yesterday. (Some people might expect that it's obvious, but I don't like making assumptions about the brain.)
Sir please make video lectures on Memory physiology, Sleep physiology, Brain waves, Limbic system system physiology. We will be thankfull.
Plz make video with subtitles, it's gets easy to understand to new commers. It was greatly explain...
This is really helpful, thank you! Where can I purchase this particular model? I’ve been shopping around for a good one but I’m unsure of which one to go for.
Well explained ^o^
You arw the man - straight up!!!!
Isn't number 43 (the one with blue and red lines) called the great cerebral vein of Galen and choroid plexus is the structure below it? Other than that, great video as usual!
Just a tiny follow up: the nerve 7 has two branches (the Facial nerve + the Intermediusnerve: special somatoafferent „parasympathetic“) whereas the Vestibulocochlear nerve has only one branch coming from its nuclei. 😊😊
Great video 👌👍
PLEASE MAKE A VIDEO ABOUT THE ANATOMY AND PHYSIOLOGY OF THE CEREBRAL CORTEX AND ITS CORTICAL FUNCTIONAL AREAS.
Thank u💝
Pretty cool I love it
I wanna be a doctor when I grow up so this is a really big help
Thank you!
Brilliant
Thank you so much 🙏🙏🙏
Thanks soo much 😍😍😍
I’m here for my anatomy exam today
Congratulations. Great video. Please, Can you say me where I can buy High Quality plástic models like you show us in this video?
My brain loves watching this.
I love you Ninja Nerd♥️❤️
thank you so much
My brain is learning about its self...
Thanks bro fantastic
I really want to achieve my dreams to go to med school and I am working and studying as hard as I can to achieve my dreams...
Don't worry Shareen, if you work hard, it will definitely pay off! Just don't give up, I'm currently a med student and I can tell you its not easy to get in, but if are focused and try your best, I'm sure your dreams will come true! Best wishes and Good luck!!!!
@@shinyd2562 thankkk youuu so muchhh, you just made my day
@@renn9432 hahaha well I'm glad to hear it! Let us know how you get on! All the best!!!
@@shinyd2562 thank you, I am very glad someone finally supports meee
@@renn9432 no problem Shareen, and don't worry at times we do feel lonely but support is out there. It may not be from friends or family but there is always someone who has your back- for me it was my teachers and friends. If you do need any help please feel free to ask- I'm sure there are plenty of experts here who are happy to help!!
Thank you.
Can you post about the muscle and bones
Genius. Where I could get such a dissectible model of the brain?? I need
Could you do a video of the thyroid?
They are helping me understand my neropothy
Thanks again
16.13. Isn't it a part of chiasma opticum (28) which is seen from lateral in sagittal plane? And the infundibulum is located behind it. Correct me if I'm wrong
Where can I buy this brain model
Sir please make a video on cns tumours.
😊
Thanks❤
may i know where i could get the same model of the brain?
Tried to get in med school in India.
Couldn't get government college and my ego prevented me to opt for expensive private colleges.
Now watching these videos are like a guilty pleasure as if i am in a medical College lecture room.
Amazing videos.....
relatable
Vestibulocochlear nerve is a sensory nerve, not both motor and sensory if I'm not mistaken.
Adamsın Ninjaaaa! Eyw! 🙏🏽🙏🏽❤️💪🏽🙂