Placental gross / microscopic abnormalities, nonneoplastic
Subamniotic vernix caseosum

Topic Completed: 1 October 2011

Minor changes: 18 February 2019

Copyright: 2002-2019,, Inc.

PubMed Search: Placenta vernix caseosa OR subamniotic

Mandolin S. Ziadie, M.D.
Page views in 2019: 249
Page views in 2020 to date: 103
Cite this page: Ziadie MS. Subamniotic vernix caseosum. website. Accessed May 30th, 2020.
Definition / general
  • Minute tears between amnion and chorion allow incorporation of vernix squamous cells between the two layers
Gross description
  • Pale white areas on placental membranes
Microscopic (histologic) description
  • Fibrosis and entrapped squamous cells between amnion and chorion of membranes
Back to top