Placental gross / microscopic abnormalities, nonneoplastic
Subamniotic vernix caseosum

Author: Mandolin Ziadie, M.D. (see Authors page)

Revised: 13 October 2017, last major update October 2011

Copyright: (c) 2002-2017,, Inc.

PubMed Search: Placenta vernix caseosa OR subamniotic

Page views in 2018: 250
Page views in 2019 to date: 16
Cite this page: Ziadie, M. Subamniotic vernix caseosum. website. Accessed January 23rd, 2019.
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