AUTOREGULATION-BLOOD VESSEL INNERVATION

SUMMARY

1. Blood vessels are innervated by the sympathetic (SNS) but not parasympathetic system (PNS).

2. All blood vessels except capillaries & venules contain smooth muscles innervated by SNS.

3. Exceptions with dual innervation: arteries of erectile tissue, uterine, facial, salivary glands.

4. Innervation of most veins is sparse except the splanchnic vessels.

Reference(s)

Barrett, K.E., Barman, S.M., Boitano, S., Brooks, H.L., Weitz, M., Brian Patrick Kearns, Ganong, W.F. and Mcgraw-Hill Education (Firm (2016). Ganong’s review of medical physiology. 25th ed. New York: Mcgraw Hill Education.
Hall, J.E. and Hall, M.E. (2020). Guyton And Hall Textbook Of Medical Physiology. 14th ed. S.L.: Elsevier - Health Science.
West, J.B. and Luks, A.M. (2021). West’s Pulmonary Pathophysiology. Lippincott Williams & Wilkins.