Anatomical component

Articles

• Rokitansky-Aschoff sinuses
  27 April 2004

  Definition: Small outpouchings of gallbladder mucosa that extend through the muscularis layer. It may be congenital.
  Rokitansky-Aschoff sinuses (R-As) are epithelial invaginations that extend down the gallbladder wall through the smooth muscle gaps and by this pathway they reach the subserosal connective tissue.
  Sinuses in the gallbladder. Normally occurring, microscopic pouches of the mucosa of the gallbladder. They may reach into and through the muscle wall. Prominence in the settings (...)

• umbilical cord insertion
  22 November 2004

  umbilical cord insertions

• dental apex
  15 December 2004

  See also
  peri-apical region

• lingual tonsils
  12 September 2007

  WKP
  Definition: The lingual tonsils are rounded masses of lymphatic tissue that cover the posterior region of the tongue.
  They are located on the dorsal surface at the base of the tongue. Their lymphatic tissue are dense and nodular, their surface is covered with stratified squamous epithelium which invaginates as a single crypt into each lingual tonsil.
  They are partially surrounded by connective tissue placing them in the group of Partially Encapsulated Lymphatic Organs, tonsils, the (...)

• choroid plexuses
  8 March 2005

  choroid plexus

• uterine cervix
  12 September 2007

  Anatomy
  The cervix is typically 2.5 cm long. It communicates with the endometrial cavity of the corpus uteri through the internal os and with the vagina through the external os.
  The vaginal portion (also called exocervix) is covered by stratified squamous epithelium, and the cervical canal is covered by columnar epithelium, which also forms endocervical glands, more correctly called clefts.
  The 2 epithelia meet at the squamocolumnar junction. In most adult women, the squamocolumnar (...)

• gastro-esophageal junction
  10 September 2007

  Videos
  histology of gastro-esophageal junction (by Washington Deceit)
  See also
  Esophagus
  Stomach

• amniotic membrane
  27 January 2005

  Pathology
  amniotic membrane infections infectious chorioamniotis
  amniotic band syndrome amniotic membrane fragility heritable connective tissue diseases

• radius
  6 April 2005

  Adj. radial

• teeth
  25 November 2003

  tooth Adj; dental
  Embryology
  Teeth develop from epithelial cells from the mucosal lining of the oral cavity and cranial neural crest-derived ectomesenchymal cells. The epithelial part forms the cap-shaped enamel organ consisting of an inner side of high cylindrical inner enamel epithelium that differentiates into enamel-forming ameloblasts, an external surface consisting of cuboidal outer enamel epithelium and an intervening loose epithelial structure known as stellate reticulum.
  The (...)

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