Assertion: lymph node's cortex | /r/HasProperty | dark staining
Facets:
Source sentences:
text: These lobues have a cortex (dark staining) and a medulla (pale staining).
text: Cortex: darker staining outer layer (b/c more lymphocytes) -has
text: These lobues have a cortex (dark staining) and a medulla (pale staining).