Design and physiology of capillaries and secondary circulation | Secondary Circulation and Lymphatic Anatomy

K. R. Olson, A. P. Farrell

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Scopus citations


The lymphatic circulation consists of blind-end capillaries whose function is to return fluid and protein that have filtered out of true capillaries back to the circulation. Most studies to date suggest that fish lack a true lymphatic system and instead have a secondary circulation. Secondary vessels may have functions similar to lymphatics, but they are formed directly from the arterial circulation and develop into a second capillary network in parallel with the original primary circulation. The secondary system is most prominent in tissues that line the body surfaces such as the skin, fins, and the peritoneum.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Fish Physiology
PublisherElsevier Inc.
Number of pages8
ISBN (Print)9780080923239
StatePublished - Dec 1 2011



  • Cardiovascular system
  • Endothelium
  • Lymphatic
  • Secondary circulation

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

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