Assertion: tissue's cell | /r/HasProperty | specialized for light penetration
Facets:
value: as in the epidermis
type: LOCATION
Source sentences:
text: Some parenchyma cells, as in the epidermis, are specialized for light penetration and focusing or regulation of gas exchange, but others are among the least specialized cells in plant tissue, and may remain totipotent, capable of dividing to produce new populations of undifferentiated cells, throughout their lives.