Assertion: apoptosis | /r/HasProperty | difficult to detect
Facets:
Source sentences:
text: The elimination of cell debris occurs in the absence of an inflammatory response, and this quiet, rapid, and efficient removal of apoptotic cells means that apoptosis can be difficult to detect in tissue: although as many as 50% of the cells in a developing organ may undergo apoptosis, less than 1% of cells are apoptotic at any one time.