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.

Movement of water into the phloem creates a high pressure potential (Ψp), aka high turgor pressure, in the phloem. The high turgor pressure forces movement of phloem sap from source to sink through a …

Mar 17, 2026 · Phloem carries sugars and other organic nutrients from wherever they’re made (usually the leaves) to wherever they’re needed. Together, they function like a plant’s circulatory system, …

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:

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 …

Feb 6, 2025 · Phloem, an integral component of plants, functions similarly to the circulatory system in animals, playing a crucial role in the transportation of organic nutrients, particularly sugars made …

Abstract Phloem is the primary conduit for transporting photosynthates and signaling molecules in plants, facilitating communication between various plant organs. As an ancient vascular tissue, …

May 27, 2023 · Phloem – The plant vascular tissue that transports phloem sap, generally from source to sink organs. Protoxylem – The early xylem formed by stem cells in the growth apices of plants, the …