Assertion: breast's gland | /r/HasProperty | flattened on a piece of paper
Facets:
Source sentences:
text: The #10 inguinal mammary gland was dissected, flattened on a piece of paper, fixed in 4% Paraformaldehyde overnight, then washed with PBS and kept in 70% ethanol for paraffin embedding and later used for immunohistochemistry.