Xylem - Definition, Types and Function | Biology Dictionary
2019年3月28日 · Xylem is a type of tissue in vascular plants that transports water and some nutrients from the roots to the leaves. Phloem is the other type of transport tissue; it transports sucrose and other nutrients throughout the plant.
Xylem | Definition, Location, Function, & Facts | Britannica
2024年10月1日 · xylem, plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support. Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements.
Xylem - Wikipedia
Xylem is one of the two types of transport tissue in vascular plants, the other being phloem; both of these are part of the vascular bundle. The basic function of the xylem is to transport water upward from the roots to parts of the plants such as stems and leaves, but it …
Xylem and Phloem – Plant Vascular System - Science Notes and …
2023年7月11日 · Xylem and phloem are the two types of transport tissue found in vascular plants. They form a complex network running throughout the plant, carrying resources to different parts and disposing of waste products.
Plant transport tissues - xylem and phloem - BBC
xylem. Narrow, hollow, dead tubes with lignin, responsible for the transport of water and minerals in plants. transports water and minerals from the roots up the plant stem and into the leaves....
A Detailed Overview of Xylem - BYJU'S
The xylem is a vascular tissue that transports water throughout a plant’s body. The complex processes and various cell types constitute xylem transfer water and dissolved nutrients to maintain and nourish plants.
25.4B: Vascular Tissue- Xylem and Phloem - Biology LibreTexts
2023年10月31日 · Xylem is the tissue responsible for supporting the plant as well as for the storage and long-distance transport of water and nutrients, including the transfer of water-soluble growth factors from the organs of synthesis to the target organs.
Vascular system | Botany, Xylem, Phloem, Importance, …
Vascular system, in vascular plants, assemblage of conducting tissues and associated supportive fibers that transport nutrients and fluids throughout the plant body. The two primary vascular tissues are xylem and phloem. Most extant plants on Earth have vascular systems.
Xylem & transpiration - Khan Academy
We saw that xylem tissues are made of dead cells which help in transporting water up and it happens due to two forces. One is the transpiration in which the water evaporates and causes suction which literally sucks the water from the roots.
Xylem: Current Biology - Cell Press
2014年12月15日 · The xylem has evolved as a tissue to transport water and minerals from the roots to the tips of leaves using tubes of dead tracheary elements arranged end-to-end. In addition, the xylem is required for supporting the plant body vertically on land.