Neurons or nerve cells - Structure function and types of neurons | Human Anatomy | 3D Biology
Neurons or nerve cells - Structure and function | Human Anatomy | Biology
The nervous system is an essential part of the human body that helps in the transmission of signals across the various parts of the body, that is, it releases messages back and forth from the brain to the different parts of the body, and also helps in the coordination of voluntary and involuntary actions of the body.
At the cellular level, the nervous system consists of a special type of cell, called the neuron, also known as a "nerve cell". The neurons connect to each other using a synapse (which is a structure that acts like a pathway connection that transmits the signals to the other cells) to form the nervous system.
Neurons have special structures that allow them to send signals rapidly and precisely to other cells by providing a common pathway for the passage of these electrochemical nerve impulses.
Neurons are responsive in nature, by which we imply that Neurons response to feelings and communicate the presence of that feeling to the central nervous system which in-turn is processed and is sent to the other parts of the body for action.
The neurons are the basic constituents of the brain, vertebral spinal cord, the ventral nerve cord and the peripheral ganglia( which is a mass of nerve cell bodies). Nervous system
Neurons can be categorized into three types: sensory neurons, motor neurons and inter neurons.
Sensory neurons allow us to receive information from the outside world through our senses. The sensory neurons evoke the sensation of touch, pain, vision, hearing and taste. These are usually present in the sensory organs, like the eyes, inner ear and so on, which send these signals to the spinal cord and the brain.
Inter neurons communicate and connect with each other, and represent the majority of the neurons in our brain. They allow us to think see and perceive our surroundings.
Motor neurons are neurons that receive impulses from the spinal cord or the brain and send them to the muscles causing muscular contraction, and these also affect the gland secretion.
A typical neuron has a "soma" in its centre, which contains the nucleus of the cell. And hence this is where the protein synthesis occurs.
The neural function is based on the synaptic signalling (the pathway that helps in the transmission of signals) process, which is partly electrical and partly chemical. The electrical aspect depends on properties of the neuron's membrane. Every neuron is surrounded by a plasma membrane, which is a bilayer of lipid molecules that comprise of various protein structures. A lipid bilayer is a powerful electrical insulator, but in neurons, many of the protein structures embedded in the membrane are electrically active.
Cell division cannot take place in neurons as they lack one of the two cylindrical cellular structures that aid in cell division. This is consistent with a simple cell division nature of the cell.
Dendrites are extensions of the cell with many branches, whose structure can be called as a "dendritic tree" . They project from the cell body and are sometimes referred to as fibres. They are also called as afferent processes because they transmit impulses to the neuron cell body .
There is only one axon that projects from each cell body, which is a finer cable-like projector. It is usually elongated and it carries impulses away from the cell body, that is, away from the 'soma'. It is an efferent process.
many axons are surrounded by a segmented white fatty substance called myelin sheaths.
Пікірлер: 303
See its people like you who make KZread a good place to learn new things
@manishabharti7785
7 жыл бұрын
write
@Hex180
4 жыл бұрын
@@eolgrillo RiGhT*
Anyone wondering Sensory- receptors to CNS (eyes hands nose etc to the spial cord0 Relay- CNS to CNS up and down the spinal chord Motor- CNS to effector back out the spinal cord to the muscle (effector)
My last three brain cells during an exam:
@InsaneI
3 жыл бұрын
@yusuf kocaman Exactly.
@mrdevilgaming9201
2 жыл бұрын
@yusuf kocaman me too after 1 year
@mmttpp4477
Жыл бұрын
Really cool 😎 stuff
I'm a big lover of "Brain Biology" - "Neurons" - "Cognition"
this video helped me to do my assignments in science....... THANKS FOR UPLOADING THIS VIDEO!!!!!!!!!!!!!
It's so useful knowledge. I like the way each point is explained. Hats off
THATS REAL BIOLOGY,HOW LUCKY WE ARE STUDENTS I LOVE YOU BIOLOGY
Thank you for explaining in simple words.
thanks! a good place to learn and comprehend better a particular reading.
Very good, I think these videos will help me pass my class
Thank you .explained nicely!!!
very simple and easily undestandable. The way of teaching best so thanks
this should help me in my psychology class 😊
@anniekhalid6556
7 жыл бұрын
yes it is very helpfull in neuropsychology class of mine too
@zainab1778
6 жыл бұрын
Same here. It helped me in the biology of behavior.
@Samicykablyat
4 жыл бұрын
Can i have your social media i want ask you about my situation
Thank you for you help it is use full in the test and also in the exam on biology
Thank you!! This helped me so much
very helpful video...thanks
Very good video with a simple explanation, coupled with striking graphics !! TQ Elearnin !! 👍🏻👍🏻
Thanks to the video I can use some of these info for my school essay
Good to see this Video after long time.. This was developed (3d scenes) by ME long back near 2010 for another company/website. Keep lerning!! :)
very informative thank you
A 10 year video still very educative
Thank you for sharing.
A very interesting and useful video!
wayyyyyy more information than i needed
Excellent presentation ty for the learning.
thank you for this program
I love the pacing of this info!!
@songyuanfen
3 жыл бұрын
uHEUHAUIRHKJDNKjufhsdhuhnIUHSUHDFUISDHFKJNSVNWROIUTJIOJIOFASIOJWFIASSJDOJSDIJ UHEUEHAUEHUEHEUHAEUHAEUAHUHAUHEUHEUHEUHAUHUAE
Very interesting thank u for that knowlege
Thank you...very helpful for my coming exam. Can you make animated videos of Brain disorders?
@BADBOY-pp1rk
Жыл бұрын
How are you after 8 years?
@thomasfookingshelby8194
Жыл бұрын
@@BADBOY-pp1rk i don't he'll reply
@BADBOY-pp1rk
Жыл бұрын
@@thomasfookingshelby8194 are you him¿
Very informative, thank you.
This is what I was looling for good video it helps a lot
Watching this the morning before my test
Super cool video. I understand better now how the neurons work. 👍 😊
@eighteenwilson-ny1qc
Жыл бұрын
How are you after 8 years?
@shaysworld1510
Жыл бұрын
@@eighteenwilson-ny1qc doing great. I have a bachelors degree in nursing and I plan on getting a doctorates degree
@eighteenwilson-ny1qc
Жыл бұрын
@@shaysworld1510 wow, that's so cool to know that
A huge respect for the cameraman
its good and helpful for all students
You sound like Brandon! Thanks for helping!
I’m just here bc of online school 😔
@athenag5814
3 жыл бұрын
Hope you do good
@lolboy-cy4hn
3 жыл бұрын
Me tooo
@itz_itsuki
3 жыл бұрын
Same
@r1ayash
3 жыл бұрын
Lol mee too
@hi-sn1pw
2 жыл бұрын
I am here for offline school hoping for online classes 😃
thank you :) i understand a bit now
amazing helpful video!
Awesome explaination 👍👍
Well explained 📚
this shall help me with my homework thank you :) (:
Thank u for helping me in my bio exam
Sir can you please help me... How can recover cell's damege...?? My three-year old daughter under treatment of acute hemorrhagic leukoencephalitis.... I am writing sir
This is great use full and knowledgeable video
Very good video keep it up!
good you have made my grades better and thanks for the video
Thx for this information
thank you so much !
@multi6982
7 жыл бұрын
ɷɷɷ Heeyy Friendss I Have Founddddd W0roking Online Hacck visittt : - t.co/hyhCZ3K792
I stopped watching after the video said the end of the axon is a synapse. This is not correct. A synapse is the empty space between the sending and receiving neurons.
@HeyWelcomeToMyWorld
7 жыл бұрын
No, that would be the synaptic gap which is part of the synapse.
@HeyWelcomeToMyWorld
7 жыл бұрын
It's also known as the synaptic cleft fyi
@koncret4705
7 жыл бұрын
Danielle Babiarz my life is a lie!!! 😰
@ashtronaut2936
6 жыл бұрын
Yeah i agree with that.That is correct :)
@mohsinhussain388
6 жыл бұрын
yes absolutely end point of neuron is called terminal arborization
my Brain cells watching another Brain cells ... lmao
You are an unpredictable teacher
this it's very helpful, thanks
Well explained!!
@eighteenwilson-ny1qc
Жыл бұрын
How are you after 9 years?
Interesting & useful !!!!!
I love Dr D videos...
Thankyou for explaining in easy way
what is the difference between afferent efferent and sensory system motor system?
@Boxers6466
9 жыл бұрын
Motor neurons carry impulses out from the CNS(central nervous system) and are sometimes referred to as efferent neurons. Sensory neurons carry information into the CNS they are sometimes referred to as afferent neurons
Great vídeo. Tks!!! help me a lot!
You are a real teacher
yes i realy like it and learn more in a new system
Thanks 😊😊☺️
Thanks a lot💚
Thank you!
Thanks!
Wow! How well explainated
since im grade 5 this is very blurry to me but i have learned alot out of it time to show it to my friends!
its used my seminar was good ib class tnqueee
veryyyyy cleverly presented loved it thank you soooo much:) gives a better understanding
Very Well Done! FR
This was super helpful
Can you make a video for the Anatomy of the Eye???
are the neurons have separate boostinng centresfor the weak signals w,hat is the driving force for the neurons
@zhaipineda6814
7 жыл бұрын
sreenivasa kharidehal
Helpful ....thanx :-)
This video is extremely helpful w/my Human Body Class. Now I get it.... Thank you so much for posting :)
thanks....very good....
Very much helpful.......tq
pain can be measured by nurono echo abnormalcy in electron volts
I am actually a 12 yeears old girl I am learning this for my father. :D
@veronicaryder7553
4 жыл бұрын
I hope you grow up to help many others too :>
The Great Human Brian 🧠
Oh so now i can score well in neurology 🎉
Thank you
Really helpful video.
@evelynfelomeno5835
5 жыл бұрын
hahahah
Super explanation
Totaly amazing
ANS-CNS up and down the spinal chord Just learned something new.
Sir approx how much time is taken by the brain 🧠 to give instructions?? Is it in the speed of a light year......
@gowrishetty5030
2 жыл бұрын
what? thats physics ahahaha not bio
Nice information 👍
A very usefull and understandable explanation on neurons,can you make animated vedios
what is the difference between sympathetic nervous system and parasympathetic
@gowrishetty5030
2 жыл бұрын
hope this helps!
Like if the video was useful
Can someone tell me what the neuron cell structures of the muscular system are, cause I'm so lost lmao.
Great video
thanks
where was this video 2 years ago when I took Cell Biology!?
Which part of neuron decide to take action
Spirit science guy!!
Interesting.
nice vidio
incredible