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Download "Neurolexique #3 - Le Système Nerveux Périphérique"

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nerfs
sensibilité
motricité
système nerveux
système nerveux périphérique
somatique
système nerveux somatique
autonome
système nerveux autonome
sympathique
système nerveux sympathique
parasympathique
système nerveux parasympathique
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brain
moelle spinale
ganglions nerveux
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neurosciences
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  • ruRussian
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00:00:00
hello everyone and welcome
00:00:02
to this new glossary video
00:00:04
devoted to the peripheral nervous system
00:00:07
on an anatomical level the
00:00:10
peripheral nervous system is defined as
00:00:12
the part of the nervous system which is
00:00:14
located on the periphery,
00:00:16
that is to say around the nevrax more
00:00:19
precisely the peripheral nervous system
00:00:20
is composed of nerves and
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nerve ganglion 1st is an assembly
00:00:25
of several actions and
00:00:27
blood vessels enveloped by
00:00:29
connective tissue which serves as protection
00:00:31
good if this diagram does not speak to you at
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all here is another way in front of the
00:00:35
choices imagine a long maquis filled with
00:00:38
rice and make up is wrapped in
00:00:40
a larger maquis here is your mother
00:00:42
you find the blood vessels and
00:00:44
the connective tissue is here each grain
00:00:47
of rice is a no axons which travel the
00:00:49
nerve its nerves sometimes take a step
00:00:52
no in a bowl of ramen
00:00:53
but in nerve ganglia these are
00:00:55
clusters of nerve cells located
00:00:57
on the path of the nerves there are 12
00:01:01
pairs of cranial nerves
00:01:03
it manages everything that happens in
00:01:05
the head and neck but also
00:01:07
certain functions vital
00:01:09
by connecting to the heart and lungs
00:01:10
to the digestive tract at the level of the
00:01:15
spinal cord emanates thirty-one pair of
00:01:16
pineau ners and connects their rest of the body
00:01:20
to the central nervous system
00:01:22
we can races and on the
00:01:24
levels of spinal column there to 8h
00:01:27
cervical which connects the
00:01:28
upper part of the body 12 neo thoracic
00:01:31
which taunts the trunk the abdomen and the back
00:01:33
finally five Dutch re 5
00:01:36
sacral nerves and 1st coccyx gyan which takes care of
00:01:38
dean hervé the pelvis the
00:01:40
lower limbs and our parts a pardon
00:01:43
j 'forgot and modesty
00:01:44
most of the nerves are said to be mixed,
00:01:47
that is to say that they have both
00:01:50
sensitive nerve fibers bringing the
00:01:52
nervous message to the central nervous system
00:01:53
and motor fibers which
00:01:56
send the nerve impulse towards the target organs
00:01:59
the peripheral nervous system is
00:02:01
made up of two large groups the
00:02:04
somatic nervous system and the
00:02:06
autonomic nervous system the sympathetic nervous system
00:02:08
allows us to interact with
00:02:10
the outside world through the perception
00:02:13
of external stimulation and
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conscious and voluntary control of our
00:02:17
movements
00:02:18
thus the somatic nervous system
00:02:20
transmits sensory information from
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the skin to the muscles and joints
00:02:25
and it returns motor commands
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only through the skeletal muscles
00:02:29
the autonomic nervous system
00:02:32
essentially innervates the internal organs and
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as its name indicates it occupies
00:02:36
autonomous or involuntary functions of
00:02:38
our body, notably breathing,
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body temperature or
00:02:43
blood sugar level, it is
00:02:44
divided into two parts: the
00:02:47
sympathetic system and the parasympathetic system,
00:02:50
whose activities oppose each other to
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best manage the internal balance of our
00:02:53
body in a state of stress
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the sympathetic nervous system can
00:02:58
trigger our alert system and
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lead to reactions such as
00:03:01
the increase in the heart rate of
00:03:04
breathing or the decrease in
00:03:07
our digestive functions;
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conversely
00:03:11
the parasympathetic nervous system will
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restore the activity of our body to
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slow down the heart rate and it is
00:03:17
breathing or even allow us to
00:03:20
digest this bodily balance is
00:03:23
called homeostasis which is why
00:03:26
if we push one to its
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limits such as for example the
00:03:30
parasympathetic system it can make us
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cry vomit completely passed out
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in conclusion the peripheral nervous system
00:03:38
is a vast network of
00:03:40
nerves and nerve ganglia making it possible to
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connect the central nervous system
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await the organs of the body this
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system thus ensures the circulation of
00:03:48
information without activating proper motor
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we could have addressed the
00:03:54
buried nervous system you just have to see what
00:03:57
we have in the stomach
00:03:59
and well it seems that it will be for
00:04:02
next time
00:04:03
well if you liked this video
00:04:05
don't forget to subscribe and
00:04:07
tambouille is left a little thumbs
00:04:09
up it's always a pleasure
00:04:10
and don't forget to activate your
00:04:12
notifications and if you want to see
00:04:14
more of our videos all the
00:04:16
teepee or patriotic notions

Description:

🧠🧠🧠 Troisième épisode du Neurolexique consacré au système nerveux périphérique ! 🧠🧠🧠 Soutenez-nous grâce à Tipeee 🙏 ou Patreon 💪 et devenez notre partenaire de nos créations 🤝 https://fr.tipeee.com/neurac https://www.patreon.com/neuracademia En nous soutenant, toi aussi deviens un "neuronaute" en herbe ! 👩‍🚀 👨‍🚀 Allez, enfile tes lunettes et ton casque ! La neurobiologie, le cerveau et ses mystères n’attendent plus que toi ! Evidemment, en 5 minutes, nous survolons le sujet. ⌚️ C’est pour cela que de nouvelles vidéos viendront pour compléter celle-ci telles que « le nerf », chacun des systèmes « somatique », « autonome », tous détaillés et simples à comprendre. C'est ça la vulgarisation scientifique ! 🥼 Apprenez-en toujours plus grâce à de courtes animations en motion design sur le thème des neurosciences ! Neuracademia est là pour ça 👍 Si vous ne l’avez pas encore fait, abonnez-vous, likez et laissez un petit commentaire ! Nous vous répondrons rapidement, nos neurones sont redevenus actifs ! 🔥 Et surtout, surtout, surtout : partagez 😊 La connaissance, ça se diffuse, ça se transmet, ça se partage avec le smile. Notre association, Neuracademia, n’attend que ton coup de pouce. 📚 De nombreuses vidéos de vulgarisation scientifique, cours, introductions et définitions sont prévus ! Vous pouvez aussi découvrir nos autres live. Notre Facebook : https://www.facebook.com/unsupportedbrowser Ca te permettra de découvrir nos autres activités tels que des ateliers scientifiques. ⚗️ Notre Twitter : https://twitter.com/neuracademia Notre site web : https://www.neuracademia.ch/ Tu pourras découvrir le détail de ce qu’on propose pour te permettre de découvrir les neurosciences. 🔮 🧨 Concept : Michel Kielar, PhD 📜 Ecriture et story-board : Michel Kielar, PhD et Alexandre Pinault, PhD ✒️ Illustrations : Michel Kielar, PhD et Alexandre Pinault, PhD 🎞 Motion design et voix off : Alexandre Pinault, PhD – Big Bang Brain – Creative Media - www.bigbangbrain.com 🎁 Contribution : Layane Hanna-El-Daher, PhD Musique : Uplifting Acoustic by Vogelaudiox – Audiojungle – license acquise légalement

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