Concept explainers
Introduction:
The eicosanoids are the family of paracrine secretions. They contain 20 carbon backbones that are derived from the arachidonic acid (polyunsaturated fatty acid). Peptide hormones and some stimuli release the arachidonic acid from the phospholipid present in the plasma membrane. Finally, lipoxygenase and cyclooxygenase enzymes convert arachidonic acid to various eicosanoids such as leukotrienes, prostacyclin, thromboxanes, and prostaglandins (PGs). Prostaglandins (PGs) contain 5-sided C-ring in their backbone structure. PGs regulate inflammation, reproduction, and respiration etc.
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- Anatomy & PhysiologyBiologyISBN:9781938168130Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark WomblePublisher:OpenStax College