BSA Plant Images Online - Side wall between differentiating vessel members. Secondary wall deposition not yet evident. In the older cell (below), microtubules concentrate near young helical thickenings and are absent along the primary wall.
Side wall between differentiating vessel members. Secondary wall deposition not yet evident. In the older cell (below), microtubules concentrate near young helical thickenings and are absent along the primary wall.
Publisher
Botanical Society of America
Additional data
copyright: Katherine Esau and Jennifer Thorsch, BSA
license: http://images.botany.org/index.html#license