Sentence examples for lignified from inspiring English sources

The compression wood tracheids are so heavily lignified that the wood appears visibly reddish to the naked eye.

A vessel consists of a vertical series of vessel members that vary from elongated to squat, drum-shaped cells the walls of which are secondarily thickened with rings, spirals, or networks of cellulose, that later become lignified.

The fibres of hardwoods develop a specialized layer in the cell wall the so-called gelatinous layer that is almost completely devoid of lignin, although in the other layers the fibre wall is lignified.

The living sieve elements that comprise the phloem are not lignified.

Primary xylem (Figure 6) consists of lignified tracheary elements (tracheids and vessel elements), which are dead at maturity (they have lost their protoplasts).

Orchids have a multiple-layered epidermis called a velamen, which consists of nonliving compact cells with lignified strips of secondary walls.

The rigidity is enhanced by the fact that compression wood is more highly lignified than regular wood.

Second, tracheary elements provide a water-conducting system and a support system as a result of their rigid lignified cell walls.

As is true of other monocotyledons, woodiness or lignification does not develop from the annual production of lignified layers of tissue as in broad-leaved trees of such dicotyledons as oaks and maples.