Normal Neuromuscular Junction Action

11,432
-1

Published on

A slide show demonstrating normal neuromuscular junction action leading to muscle contraction

Published in: Health & Medicine, Technology
1 Comment
11 Likes
Statistics
Notes
  • I am doing a presentration of the NMJ physaiology. May I use ur yslide ? kIndly email it to me ennythea@aol.com Thanks /
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here
No Downloads
Views
Total Views
11,432
On Slideshare
0
From Embeds
0
Number of Embeds
2
Actions
Shares
0
Downloads
0
Comments
1
Likes
11
Embeds 0
No embeds

No notes for slide

Normal Neuromuscular Junction Action

  1. 1. Neuromuscular Junction Normal Neuromuscular Junction Action
  2. 2. Normal Neuromuscular Junction <ul><li>Electrical impulse arrives at motor terminal </li></ul>
  3. 3. Normal Neuromuscular Junction <ul><li>Electrical impulse arrives at motor terminal </li></ul><ul><li>Influx of Ca2+ at motor terminal </li></ul>
  4. 4. Normal Neuromuscular Junction <ul><li>Electrical impulse arrives at motor terminal </li></ul><ul><li>Influx of Ca2+ at motor terminal </li></ul><ul><li>Release of Acetylcholine </li></ul>
  5. 5. Normal Neuromuscular Junction <ul><li>Electrical impulse arrives at motor terminal </li></ul><ul><li>Influx of Ca2+ at motor terminal </li></ul><ul><li>Release of Acetylcholine </li></ul><ul><li>Diffusion of Ach across synaptic cleft to nicotinic receptors on motor end plate </li></ul>
  6. 6. Normal Neuromuscular Junction <ul><li>Electrical impulse arrives at motor terminal </li></ul><ul><li>Influx of Ca2+ at motor terminal </li></ul><ul><li>Release of Acetylcholine </li></ul><ul><li>Diffusion of Ach across synaptic cleft to nicotinic receptors on motor end plate </li></ul><ul><li>Depolarisation of end plate </li></ul>
  7. 7. Normal Neuromuscular Junction <ul><li>Electrical impulse arrives at motor terminal </li></ul><ul><li>Influx of Ca2+ at motor terminal </li></ul><ul><li>Release of Acetylcholine </li></ul><ul><li>Diffusion of Ach across synaptic cleft to nicotinic receptors on motor end plate </li></ul><ul><li>Depolarisation of end plate </li></ul><ul><li>Action potential generated by depolarisation </li></ul>
  8. 8. Normal Neuromuscular Junction <ul><li>Electrical impulse arrives at motor terminal </li></ul><ul><li>Influx of Ca2+ at motor terminal </li></ul><ul><li>Release of Acetylcholine </li></ul><ul><li>Diffusion of Ach across synaptic cleft to nicotinic receptors on motor end plate </li></ul><ul><li>Depolarisation of end plate </li></ul><ul><li>Action potential generated by depolarisation </li></ul><ul><li>Muscle contraction </li></ul>
  9. 9. Normal Neuromuscular Junction <ul><li>Electrical impulse arrives at motor terminal </li></ul><ul><li>Influx of Ca2+ at motor terminal </li></ul><ul><li>Release of Acetylcholine </li></ul><ul><li>Diffusion of Ach across synaptic cleft to nicotinic receptors on motor end plate </li></ul><ul><li>Depolarisation of end plate </li></ul><ul><li>Action potential generated by depolarisation </li></ul><ul><li>Muscle contraction </li></ul><ul><li>Rapid removal of Ach </li></ul>By rapid diffusion & action of acetyl- cholinesterase
  10. 10. Normal Neuromuscular Junction <ul><li>Electrical impulse arrives at motor terminal </li></ul><ul><li>Influx of Ca2+ at motor terminal </li></ul><ul><li>Release of Acetylcholine </li></ul><ul><li>Diffusion of Ach across synaptic cleft to nicotinic receptors on motor end plate </li></ul><ul><li>Depolarisation of end plate </li></ul><ul><li>Action potential generated by depolarisation </li></ul><ul><li>Muscle contraction </li></ul><ul><li>Rapid removal of Ach </li></ul>

×