Assertion: vascular tissue's cell | /r/HasProperty | sieve cells
Facets:
value: mainly
type: DEGREE
Source sentences:
text: The main conducting cells of phloem are sieve cells and sieve tube members.
text: Conducting cells are the sieve cells and sieve tubes, which are living cells, but without nucleus.
text: The two most common cells in the phloem are the companion cells and sieve cells .
text: The cells of the vascular strands in lower vascular plants are mainly tracheids, sieve cells, parenchyma, and endodermal cells.