Definition of Tracheid. Meaning of Tracheid. Synonyms of Tracheid

Here you will find one or more explanations in English for the word Tracheid. Also in the bottom left of the page several parts of wikipedia pages related to the word Tracheid and, of course, Tracheid synonyms and on the right images related to the word Tracheid.

Definition of Tracheid

Tracheid
Tracheid Tra"che*id, n. (Bot.) A wood cell with spiral or other markings and closed throughout, as in pine wood.

Meaning of Tracheid from wikipedia

- A tracheid is a long and tapered lignified cell in the xylem of vascular plants. It is a type of conductive cell called a tracheary element. Angiosperms...
- distinctive xylem cells are the long tracheary elements that transport water. Tracheids and vessel elements are distinguished by their shape; vessel elements...
- sieve-tube elements. The xylem consists of vessels in flowering plants and of tracheids in other vascular plants. Xylem cells are dead hard-walled hollow cells...
- gymnosperms, by having flowers, xylem consisting of vessel elements instead of tracheids, endosperm within their seeds, and fruits that completely envelop the...
- parenchyma cells, fibers, vessels, tracheids, and ray cells. Longer tubes made up of individual cellssels tracheids, while vessel members are open at each...
- fibre cells' evolutionary origin from tracheids exists.[citation needed] During evolution the strength of the tracheid cell walls was enhanced, the ability...
- tissue composed of water-conducting tracheids or vessel elements, together with fibres and parenchyma cells. Tracheids are elongated cells with lignified...
- suggest that by this period Sequoia ancestors had already evolved a greater tracheid diameter that allowed it to reach the great heights characteristic of the...
- roots to the shoots. Two kinds of cell are involved in xylem transport: tracheids and vessel elements. Vessel elements are the building blocks of vessels...
- three directions, and strongly elongated tracheids. Tracheids make up more than 90% of timber volume. The tracheids of earlywood formed at the beginning of...