pericyte

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English[edit]

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Etymology[edit]

From peri- +‎ -cyte

Noun[edit]

pericyte (plural pericytes)

  1. (biology, physiology) A type of mesenchymal cell which in aggregation forms a contractile wrapping around a capillary.
    • 2007, Martin Krũger, Ingo Bechmann, Pericytes, Thomas E. Lane, Monica Carson, Conni Bergmann, Tony Wyss-Coray (editors), Central Nervous System Diseases and Inflammation, page 39,
      Since 1873, when Rouget regarded pericytes as contractile elements (Rouget 1874), the discussion concerning this ability has never ceased. Pericytes are likely to respond to vasoactive molecules such as nitric oxide, prostacyclin, angiotensin II, and endothelin-1, because they express respective receptors (Dehouck et al., 1997, Chakravarthy and Gardiner, 1999, Healy and Wilk, 1993).
    • 2008, Frederick Pfister, Yuxi Feng, Hans-Peter Hammes, Pericyte Loss in the Diabetic Retina, Elia Duh, Diabetic Retinopathy, Humana Press, page 249,
      However, due to the morphological similarities of rodent retinal capillary endothelial cells and pericytes, markers allowing for the distinction of retinal capillary cells were crucial for quantitative analysis.
    • 2009, Michail S. Davidoff, Ralf Middendorff, Dieter Müller, Adolf F. Holstein, The Neuroendocrine Leydig Cells and their Stem Cell Progenitors, the Pericytes, Springer, page 106,
      This vessel is assembled by mesonephros-derived endothelial stem cells and subsequently becomes stabilized by pericytes. The pericytes are either produced by the endothelial stem cells or acquired from pericyte progenitors located close by, presumably representing reticular stroma components of the aorta-gonad-mesonephros region known to contain a large number of different stem cell types.

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