Cellular components

Articles

• brush border
  5 December 2005

  enterocytic brush border

• vacuoles
  20 April 2005

  Adj. vacuolar ; cytoplasmic vacuoles
  Types
  lipidic vacuoles ( steatosis )
  glycogenic vacuoles / glycogen vacuoles
  Features
  ultrastrucral caracterization of vacuoles

• lysosomes
  24 September 2003

  Adj. lysosomal

• nucleosome
  16 September 2003

  nucleosomes

• 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

• cytosol
  11 July 2003
• cilia
  20 November 2003

  cilias, cilium WKP
  Definition: Cilia (and flagella) are microtubule-based hair-like organelles that extend from the surface of almost all cell types of the human body.
  Although these highly conserved structures are found across a broad range of species, a nearly ubiquitous appearance is observed only in vertebrates.
  Cilia can be structurally divided into subcompartments that include a basal body, transition zone, axoneme, ciliary membrane and the ciliary tip.
  Most cell types (...)

• P bodies
  13 July 2007

  Post-transcriptional processes have a central role in the regulation of eukaryotic gene expression.
  Proteins that are involved in mRNA degradation, translational repression, mRNA surveillance and RNA-mediated gene silencing, together with their mRNA targets, colocalize within discrete cytoplasmic domains known as P bodies.
  P bodies are sites where mRNAs that are not being translated accumulate, the information carried by associated proteins and regulatory RNAs is integrated, and their (...)

• ribosomes
  29 October 2003

  Adj. ribosomal

• stereocilia
  13 April 2004

  stereovilli WKP
  Definition: Stereocilia (or stereovilli) are non-motile apical modifications of the cell, which are distinct from cilia and microvilli, but closely related to the latter.
  In structure, they are longer than typical microvilli, and have more of the characteristics of the cellular membrane proper. Like microvilli, they contain actin filaments, distinguishing them from microtubule-containing cilia.
  They are found in three regions of the body:
  the ductus deferens (...)

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