A choroid tapetum lucidum that is made of a palisade of cells containing stacks of flat hexagonal crystals of guanine. [ https://orcid.org/0000-0002-6601-2165 http://en.wikipedia.org/wiki/Tapetum_lucidum#Classification http://www.ncbi.nlm.nih.gov/pubmed/14738502 ]

This is just here as a test because I lose it

Term information

definition
  • A choroid tapetum lucidum that is made of a palisade of cells containing stacks of flat hexagonal crystals of guanine.
id
  • UBERON:0010246
present in taxon
  • http://purl.obolibrary.org/obo/NCBITaxon_7864
  • http://purl.obolibrary.org/obo/NCBITaxon_7778
taxon notes
  • The elasmobranch tapetum in Squalus and Scyliorhinus con- sists of sheets of 12-13 superposed guanine crystals in the choroid.
  • A choroidal tapetum of reflecting cells lying immediately outside the choriocapillaris is formed in a few primitive teleosts.
  • elasmobranchii (skates, rays, and sharks) and chimaeras

Term relations