55 results found

Search Results for: branching

Branching tree

Definition noun A branching identification key where the structure of the decision tree is displayed graphically as a... Read More

Dichotomous

Several English words are widely used across different fields of Science. One such term is dichotomous. We often use this... Read More

Dendrite

Dendrite Definition Dendrites are the protoplasmic projections from the neuron cells that receive the electrochemical... Read More

Leaves

Leaves are highly efficient solar energy converters. They capture light energy and through the process of photosynthesis.... Read More

Nervous tissue

Nervous Tissue Definition Nerve cells (or neurons) and their associated cells, such as neuroglia cells, make up nervous... Read More

Cyanobacteria

Cyanobacteria Definition Cyanobacteria is a group of photosynthetic bacteria widely distributed in various aquatic habitats... Read More

Angiosperm

Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... 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

Roots

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

Glycogenesis

Definition noun The metabolic process of producing glycogen from glucose for storage mainly in liver and muscle cells in... Read More

Tree

“The biological diversity is plenty if you look around yourself a little closely; with an eye for life!” … People... Read More

Rhizome

The rhizome is derived from the Greek word rhizoma, meaning "a bunch of roots". Usually, rhizomes are confused with roots;... Read More

Book lungs

Book Lungs Definition Lungs are known as the organs that help organisms breathe. When we think of lungs, we think of the... Read More

Rhizoids

Rhizoids are a structure in plants and fungi that functions like a root in support or absorption. In fungi, rhizoids are... Read More

Apical bud

Apical Bud Definition The apical bud is the type of bud located at the top (apex) of the plant, particularly at the very... Read More

Polytomous key

Definition noun A reference tool consisting of three or more characters at each branching point for use in identifying... Read More

Protonema

protonema Origin: NL, fr. Gr. First -, a thread. (Science: botany) The primary growth from the spore of a moss, usually... Read More

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Phylogenetics

Phylogenetics Definition Phylogenetics is the scientific study of phylogeny. It studies evolutionary relationships among... Read More

Punctuated equilibrium

Definition noun A theory that describes an evolutionary change happening rapidly and in brief geological events in between... Read More

Collagen fiber

Definition of collagen fiber Collagen fiber is the fiber in the extracellular matrix of connective tissues characterized... Read More

Helicoid

Helicoid Coiled, of a cymose inflorescence, branching repeatedly on the same... Read More

Tight junction

What are tight junctions? Tight junctions are the intercellular barrier between two neighboring endothelial and epithelial... 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

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

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

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Pituicyte

Definition noun, plural: pituicytes A specialized glial cell in the neurohypophysis that resembles an astrocyte and plays a... Read More

Anastomosis

Definition noun, plural: anastomoses (1) Interconnection between parts of a branching system forming a network, as in leaf... Read More

Amylopectin

Definition noun, plural: amylopectin A polysaccharide made up of highly-branched polymer of alpha-glucose units, and is a... 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

Timber

timber 1. That sort of wood which is proper for buildings or for tools, utensils, furniture, carriages, fences, ships, and... Read More

Plane

Plane 1. To make smooth; to level; to pare off the inequalities of the surface of, as of a board or other piece of wood, by... Read More

Traits

Traits Definition "Trait" is a rather well-known word in the English language. What does trait mean? A trait is defined... Read More

Stag

stag 1. (Science: zoology) The adult male of the red deer (Cervus elaphus), a large European species closely related to the... Read More

Hyphae

Hyphae (Science: microbiology) The fine, branching tubes which make up the body (or mycelium) of a multicellular... Read More

Starch

Starch Definition Starch is a polysaccharide (C6H10O5)n consisting of a large number of glucose monomers joined together... Read More

Glycogen

Definition noun plural: glycogens gly·co·gen, glī′kə-jən A multi-branched polymer of glucose, mainly produced in... Read More

Rough endoplasmic reticulum

Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... Read More