Search Results for: phloem
Primary phloem
Definition noun The type of phloem derived from the primary meristem during the development of a vascular... Read More
Secondary phloem
Definition noun The type of phloem derived from the secondary meristems of a vascular plant Supplement The phloem is a... Read More
Phloem fiber
Definition noun (botany) The elongated sclerenchyma cells in the phloem, and is responsible for providing tension strength... Read More
Phloem sclerenchyma
Definition noun The sclerenchyma cells in the phloem of many vascular plants, and is responsible for providing mechanical... Read More
Metaphloem
Definition noun, plural: metaphloems A component of the primary phloem that develops often following the differentiation of... Read More
Phloem parenchyma
Definition noun The parenchyma cells in between the sieve tubes of the phloem, and functions primarily for food... Read More
Protophloem
Definition noun, plural: protophloems The first phloem to develop from the procambium Supplement The phloem is a vascular... Read More
Bast fiber
Definition noun (botany) The durable, nonliving sclerenchyma fiber in the phloem, providing support to the... Read More
Vascular plants
Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More
Sieve cell
Definition noun, plural: sieve cells (botany) The main conductive cell in the phloem of the gymnosperms and... Read More
Plant Tissues
Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More
Vascular tissue
Definition noun, plural: vascular tissues (botany) A complex permanent tissue involved in the conduction of materials (e.g.... Read More
Sieve element
Definition noun (botany) A food-conducting cell in the phloem of vascular plants Supplement The phloem is the vascular... Read More
Companion cell
Definition noun (botany) Any of the metabolically-active parenchyma cells associated with a sieve tube element in the phloem... Read More
Sclerenchyma
Definition noun, plural: sclerenchymata, sclerenchymas (botany) A fundamental type of tissue in plants characterized by... Read More
Differentiation
Differentiation in biology is the process where less specialized cells undergo changes to develop specialized structures and... Read More
Sieve-tube element
Definition noun, plural: sieve tube elements A specialized type of sclerenchyma cell that forms a sieve tube of... Read More
Water in Plants
The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More
Parenchyma
Parenchyma Definition What does parenchyma mean? Let's define the word "parenchyma". Most of the functional tissues in... Read More
Sieve tube
Definition noun, plural: sieve tubes (botany) Any of the tubes in the phloem comprised of cells joined end-to-end through... Read More
Vascular bundle
vascular bundle strand of vascular tissue in a plant, composed of xylem and phloem. A unit strand of the vascular system in... Read More
Cork cambium
Cork Cambium Definition Cork cambium is a secondary meristematic tissue that has a pivotal role in secondary growth in... Read More
Tracheophyte
Definition noun, plural: tracheophytes A vascular plant contains the conducting systems which consist of xylem for... Read More
Seed Plants
There are two main subdivisions of seed plants—the ones without covered seeds, the gymnosperms, and the ones with covered... Read More
Vascular Plants: Ferns and Relatives
These plants are seedless plants, but unlike the bryophytes, they do have vascular tissue (xylem and phloem). Because of the... Read More