In trees, the phloem is the innermost layer of the bark, hence the name, derived from the Ancient Greek word φλοιός (phloiós), meaning "bark". [3][4] The term was introduced by Carl Nägeli in 1858. [5][6] …

phloem, plant vascular tissue that conducts foods made in the leaves during photosynthesis to all other parts of the plant. Phloem is composed of various specialized cells called sieve elements, phloem …

Jul 11, 2023 · Phloem transports organic nutrients, particularly sugars synthesized during photosynthesis, from the leaves to all other cells of the plant, including the roots.

Aug 23, 2025 · Phloem is a living vascular tissue found in plants, alongside xylem, forming a comprehensive transport system. This tissue is composed of several distinct cell types that work …

Jul 23, 2025 · Definition of Phloem: Phloem is a type of vascular tissue responsible for transporting organic materials produced during photosynthesis, called photosynthates, from the leaves to other …

Jul 19, 2025 · Phloem serves as a conduit for transporting organic compounds from source tissues (usually leaves where photosynthesis occurs) to sink tissues (areas requiring or storing nutrients …

This page explains that phloem transports organic substances in plants, aided by companion cells, with rates up to 110 μm per second. Girdling removes phloem, starving roots.

May 23, 2025 · Phloem is the vascular tissue responsible for transporting the sugars and nutrients resulting from photosynthesis. Once raw sap is converted into processed sap (known as phloem …

Feb 24, 2023 · Phloem is the tissue system responsible for the movement of food materials in the plant - especially sugar made through photosynthesis. Phloem is made up of several cell types:

Although the phloem is the principle pathway for the movement of sugar from the leaf to other plant parts, maple sap, used to produce maple syrup, actually derives from the xylem, not the phloem.