32 results found

Search Results for: cambium

Cork cambium

Definition noun, plural: cork cambiums or cork cambia A meristematic tissue that divides mitotically to give rise to new... Read More

Cambium

Cambium (Science: plant biology) meristematic plant tissue, commonly present as a thin layer which forms new cells on both... Read More

Stems

External Form of a Woody Twig A woody twig, or stem, is an axis with leaves attached. The leaves are arranged in various... 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

Procambium

Definition noun, plural: procambia (botany) The primary meristem where the primary vascular tissues develop... Read More

Plant Meristems and Growth

A common mistake that many people assume is that an increase in size means an increase in growth. This is not the case.... Read More

Phelloderm

Definition noun, plural: phelloderms (botany) A part of the periderm made up of cells produced inwardly by the cork... Read More

Cork

Definition noun, plural: corks (botany) A part of the periderm that protects the inner plant tissues from mechanical... 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

Periderm

Definition noun, plural: periderms (botany) An outer covering that replaces the epidermis of certain plants (embryology)... Read More

Fruits, Flowers, and Seeds

Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... Read More

Xylem

Xylem Definition Xylem is defined as a plant tissue that transfers water and nutrients from roots to all over the plant... Read More

Secondary xylem

Definition noun, plural: secondary xylems The xylem formed as a result of the secondary growth from the vascular... Read More

Primary phloem

Definition noun The type of phloem derived from the primary meristem during the development of a vascular... Read More

Bark

Definition noun, plural: barks (botany) The outermost covering of stems and roots of woody plants (especially trees), and is... Read More

Roots

Upon seed germination, the embryo root, called the radicle, grows and develops into the first root. The radicle may thicken... Read More

Lateral meristem

Definition noun, plural: lateral meristems (botany) A type of meristematic tissue comprised of meristematic cells in the... Read More

Meristem

Definition noun, plural: meristems (''botany') An undifferentiated plant tissue that can give rise to different tissues and... Read More

Pith

Pith Definition In general, the term "pith" refers to the "soft inner portion" of something. In botany, a pith refers... 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

Cell

A cell is a membrane-bound structure that occurs as a functional independent unit of life (such as in unicellular organisms,... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Dendrology

Definition noun The study of wooden plants such as trees and shrubs Supplement Dendrology is the study of wooden plants. It... Read More

Parenchyma

Parenchyma Definition What does parenchyma mean? Let's define the word "parenchyma". Most of the functional tissues in... Read More

Softwood

Definition noun (botany) The wood (secondary xylem) of a gymnosperm tree Supplement Vascular plants (tracheophytes) are... Read More

Secondary meristem

Definition noun, plural: secondary meristems (''botany') A type of meristem that is involved in the secondary growth and... Read More

Living things

Living Things Definition A living things pertains to any organism or a life form that possesses or shows the... Read More

Metaphloem

Definition noun, plural: metaphloems A component of the primary phloem that develops often following the differentiation of... Read More

Protophloem

Definition noun, plural: protophloems The first phloem to develop from the procambium Supplement The phloem is a vascular... Read More

Sapwood

Definition noun The white, softer, outermost wood that has not yet become heartwood and is involved in conducting... Read More

Heartwood

Definition noun The central wood in a branch or stem characterized by being composed of dead cells, more resistant to decay,... Read More

Plant

Plant Definition (botany) Any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being... Read More