| Text | The companion cells are specialised parenchymatous cells, which
are closely associated with sieve tube elements. The sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls. The companion cells help in maintaining the pressure gradient in the sieve tubes. |
|---|
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Phloem parenchyma made elongated tapering cylindrical cells dense
Previous card: Sieve companion tubes cells elements long tube-like structures
Up to card list: NEET Biology ug