Cellular components

Articles

• lysosomes
  24 September 2003

  Adj. lysosomal

• Birbeck granules
  8 April 2005

  Tennis racket shaped structures found in Langerhan’s cells in histiocytosis X (Langerhan’s cell histiocytosis) which includes eosinophilic granuloma, Letterer-Siwe disease and Hand-Schuller-Christian disease.
  See also
  Langerhans cells
  Langerhans cell histiocytosis

• chromatin
  13 July 2003

  See also : chromatin appearance / chromatin anomalies
  Definition: Chromatin is the DNA/protein/RNA complex extracted from eukaryotic lysed interphase nuclei. Just which of the multitudinous substances present in a nucleus will constitute a part of the extracted material will depend in part on the technique each researcher uses. Furthermore, the composition and properties of chromatin vary from one cell type to the another, during development of a specific cell type, and at different stages (...)

• trans-Golgi network
  3 June 2006

  The trans-Golgi network (TGN) is a major sorting centre for cell lipids and proteins at the crossroads of the endocytic and exocytic pathways; it has a complex dynamic structure composed of a network of tubular membranes that generate pleiomorphic carriers targeted to different destinations.
  The composition and identity of cell organelles are dictated by the flux of lipids and proteins that they receive and lose through cytosolic exchange and membrane trafficking.
  See also
  Golgi (...)

• nucleosome
  16 September 2003

  nucleosomes

• peroxisomes
  9 June 2003

  peroxysomes, peroxysome

• caveosomes
  26 January 2005

  caveolin-1-containing endosome

• corneodesmosomes
  13 December 2004

  Corneodesmosomes are intercellular structures that are involved in desquamation, the shedding of superficial corneocytes from the skin surface.
  Corneocytes are anucleated cells derived from keratinocytes during the late stages of terminal differentiation of cornified squamous epithelia such as the epidermis.
  See also
  corneocytes
  corneodesmosin
  CDSN
  DSG4

• hepatocytic cytoplasm
  28 May 2003

  hepatocytic cytoplasm
  Anomalies:
  hepatocytes > pigment deposits hepatocytes > hemosiderin deposits hepatocytes > lipofuscin deposits hepatocytes > bile deposits
  fat vacuoles (steatosis)
  Mallory’s body
  giant mitochondry
  increased mitochondria
  glycogen overload
  See also
  hepatocytes

• hepatocytic nuclei
  3 June 2003

  hepatocyte nucleus

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