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| Name | Action Potential in Neurons | Neurology | Dr Najeeb |
| Video Uploader | Video From Dr. Najeeb Lectures |
| Upload Date | This Video Uploaded At 01-09-2020 01:46:42 |
| Video Discription | #RestingMembranePotential #ActionPotenial #Neurology #ActionPotentialinNeurons #Neurology Action Potential in Neurons | Neurology | Dr Najeeb Like this video? Sign up now on our website at https://www.DrNajeebLectures.com to access 800+ Exclusive videos on Basic Medical Sciences & Clinical Medicine. These are premium videos (NOT FROM YOUTUBE). All these videos come with English subtitles & download options. Sign up now! Get Lifetime Access for a one-time payment of $45 ONLY! Sign up now on our website at https://members.drnajeeblectures.com/#!/register-fast --------------------------------------------------------------------------------------------------------------------------- Why sign up for premium membership? Here's why! Membership Features for premium website members. 1. More than 800+ Medical Lectures. 2. Basic Medical Sciences & Clinical Medicine. 3. Mobile-friendly interface with android and iOS apps. 4. English subtitles and new videos every week. 5. Download option for offline video playback. 6. Fanatic customer support and that's 24/7. 7. Fast video playback option to learn faster. 8. Trusted by over 2M+ students in 190 countries. --------------------------------------------------------------------------------------------------------------------------- (0:00-9:05) Defining Action Potential; explanation of Resting Membrane Potential (RMP); role of Na-K ATPase & K+ equilibrium potential. (9:05-40:55) Explanation of Action Potential: Mechanism of action of Local Potential, Depolarization & Repolarization of membrane; role of voltage-gated Na & K channels; sub-threshold and threshold potential. (40:57-57:49) Explanation of Action Potential continued: Propagation of local potential in the membrane/Creation of Action Potential. Differences b/w Local Potential and Action Potential; mention of "All or none" principle. (57:50-1:13:31) Explanation of 'Refractory Period' in Action Potential; role of Activation & Inactivation gates of Na-channel. Absolute and Relative Refractory Period (ARP & RRP). (1:13:32-1:23:12) Phenomena of "Accommodation" explained in neurons; Na-channels stuck in inactivation state; clinical co-relate with Hyperkalemia. Difference b/w phenomena of Refractory period & Accommodation. (1:23:13-1:30:19) Neurotransmission; communication b/w neuronal cells; role of Neurotransmitters (NTs) and ligand-gated Na-channels. Electrical transmission b/w cardiac cells; role of Na gap-junctions. Types of stimulation: Mechanical, electrical and chemical. (1:30:21-1:36:43) Factors determining the velocity of AP in neuronal axons; diameter of neuronal axon, myelination of neuronal axon. (1:36:44-1:54:26) Transmission of AP across an Unmyelinated neuronal axon; in detail. (1:54:27-2:12:44) Mechanism of transmission of AP across a Myelinated neuronal axon; Schwann Cells; Saltatory Conduction. Examples of slow and fast conduction of different sensations of the body; dull & sharp pain, tickling & temperature etc. (2:12:45-2:24:39) Comparison of structure of myelinated & unmyelinated axons; Clinical Co-relate with phenomena of Myelination: Guillain Barre Syndrome & Multiple Sclerosis. --------------------------------------------------------------------------------------------------------------------------- Join this channel to get access to perks: Sign up now on our website at https://members.drnajeeblectures.com/#!/register-fast https://www.youtube.com/channel/UCPHpx55tgrbm8FrYYCflAHw/join Follow us on Facebook :- https://www.facebook.com/DrNajeeb/ Follow us on Instagram :- https://www.instagram.com/drnajeeblectures/ |
| Category | Education |
| Tags | action potential | dr najeeb | dr najeeb lectures | sodium potassium pump | sa node action potential | phases of action potential | resting potential | depolarization | neuron action potential | the action potential | action potential in neurons | hyperpolarization and depolarization | action potentials | potassium | neuron | action potential threshold | depolarization and repolarization | membrane potential | neuroscience | graded potential | action potential dr najeeb | action potential lectures |
