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      NEW CYTOPLASMIC COMPONENTS IN ARTERIAL ENDOTHELIA

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      The Journal of Cell Biology
      The Rockefeller University Press

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          Abstract

          A hitherto unknown rod-shaped cytoplasmic component which consists of a bundle of fine tubules, enveloped by a tightly fitted membrane, was regularly found in endothelial cells of small arteries in various organs in rat and man. It is about 0.1 µ thick, measures up to 3 µ in length, and contains several small tubules, ∼150 A thick, embedded in a dense matrix, and disposed parallel to the long axis of the rod. In some of these cells, the cisternae of the endoplasmic reticulum are greatly distended by the accumulation of a dense, finely granular material. The nature and significance of these cytoplasmic components are yet unknown.

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          Author and article information

          Journal
          J Cell Biol
          The Journal of Cell Biology
          The Rockefeller University Press
          0021-9525
          1540-8140
          1 October 1964
          : 23
          : 1
          : 101-112
          Affiliations
          From The Rockefeller Institute.
          Author notes

          Dr. Weibel's present address is Anatomisches Institut der Universität, Zurich, Switzerland

          Article
          10.1083/jcb.23.1.101
          2106503
          14228505
          f7901ec9-8544-4f42-80cd-f65dd14e3060
          Copyright © 1964 by The Rockefeller Institute Press
          History
          : 16 December 1963
          Categories
          Article

          Cell biology
          Cell biology

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