Accelerator nerve

Accelerator nerves are cardiopulmonary splanchnic nerves that allow the sympathetic nervous system's stimulation of the heart. They originate from the ganglion cells of the superior, middle, and inferior cervical ganglion of the sympathetic trunk.[1] The accelerator nerves increase the heart rate. They cause the heart to beat with more force, which then increases blood pressure.[2]

While accelerator nerves increase the heart rate which then increases blood pressure, the accelerans nerve speeds it up by emitting noradrenaline. This results in an increased bloodflow.[3]

Accelerator nerves also play an important role in controlling heart rate in birds.[4]

References

  1. ^ "The Accelerator Nerves". chestofbooks.com. Archived from the original on 2021-09-21. Retrieved 2021-09-21.
  2. ^ "The Structure and Function of the Human Heart". IGCSE BIOLOGY. Archived from the original on 2023-05-08. Retrieved 2021-09-21.
  3. ^ "The Open Door Web Site: IB Biology: Animal Physiology: The Nervous System and Movement: The Major Factors controlling the Heartbeat". www.saburchill.com. Archived from the original on 2021-09-21. Retrieved 2021-09-21.
  4. ^ Tummons, John; Sturkie, Paul D. (1968-04-01). "Cardio-accelerator nerve stimulation in chickens". Life Sciences. 7 (7): 377–380. doi:10.1016/0024-3205(68)90007-6. ISSN 0024-3205. PMID 5652180. Archived from the original on 2021-09-21.
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