THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More
Carbon fixation is a process of taking carbon dioxide in order to synthesize sugar, such as glucose. Thus, carbon dioxide is... Read More
A protective covering.
The lower part of leaf enveloping stem or culm.
A secreted, tubular structure formed around... Read More
Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More
What Is Axon?
An axon is a thin, long fiber of a nerve cell (or neuron). It transmits electrical impulses from the cell... Read More
Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More
The basic structural framework of plants is composed of different types of tissues. Based upon the capacity to divide, the... Read More
Myelin is a substance that forms the myelin sheath associated with nerve cells. This sheath is a layer of... Read More
Neurolemma (also neurilemma and sheath of Schwann) is the outermost layer of nerve fibers in the peripheral... Read More
A substance comprised mainly of fatty material (about 80%) and proteins (about 20%), and forms the myelin... Read More
Axon Hillock Definition
What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... Read More
A neuron in which there is no myelin sheath surrounding the axon.
The unmyelinated neuron... Read More
A nerve that is bare or without the myelin sheath around the axon.
The unmyelinated nerve... Read More
A layer of myelin encasing (and insulating) the axons of medullated nerve... Read More
1. (Science: anatomy) One of the whitish and elastic bundles of fibres, with the accompanying tissues, which transmit... Read More
A neuron in which the axon is enveloped by a layer of Schwann cell membranes (sheath).
The myelin... Read More
Afferent Nerve Definition
The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More
Cyanobacteria is a group of photosynthetic bacteria widely distributed in various aquatic habitats... Read More
vagina interna nervi optici -->
internal sheath of optic nerve
(Science: anatomy, nerve) The innermost sheath around the... Read More
A nerve cell in which the axon is surrounded by a layer of Schwann cell membranes of myelin... Read More
Stipulate meaning: Stipulate typically refers to a specific feature or characteristic of a plant's... Read More
Muscular System Definition
What is the muscular system? The muscular system is a system that includes muscle cells and... Read More
A metabolic pathway where CO2 is first added to phosphoenolpyruvate by the enzyme, PEP carboxylase,... Read More
A metabolic pathway first delineated in depth by M. D. Hatch and C. R. Slack (in 1966).
In this pathway, the... Read More
Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More
An axon terminal is any of the button-like endings of axons through which axons make synaptic contacts with other nerve... Read More
The process of photosynthesis is a biological procedure in which plants produce oxygen and energy (sugar) by using light... Read More
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
Leaves are highly efficient solar energy converters. They capture light energy and through the process of photosynthesis.... Read More
What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More
noun, plural: sulfatides
A cerebroside sulfuric ester containing one or more sulfate groups in the sugar portion... Read More
Nervous Tissue Definition
Nerve cells (or neurons) and their associated cells, such as neuroglia cells, make up nervous... Read More
The neuromuscular spindle is a fusiform mechanoreceptor (specifically a stretch receptor) within the... Read More
An abbreviation for hatch slack kortshak pathway: a metabolic pathway first determined by Burr and Kortshak... Read More
vagina fibrosa tendinis
fibrous tendon... Read More
A pouch or cavity.
A case or sheath especially a pollen sac or moss capsule.A structure resembling a bag in an animal.A... Read More
(Science: botany) a perennial herbaceous plant of almost treelike size (musa sapientum); also, its edible fruit. See... Read More
Carbon Fixation Definition
We know that the earth contains many elements. The periodic table shows us just how many... Read More
(Science: anatomy) The connective tissue sheath which surrounds a bundle of nerve fibres. See epineurium, and... Read More
Common tendinous ring
a fibrous ring that surrounds the optic canal and the medial part of the superior orbital fissure; it... Read More