THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More
A protective covering.
The lower part of leaf enveloping stem or culm.
A secreted, tubular structure formed around... Read More
1. Povided with, or inclosed in, sheath.
2. (Science: botany) Invested by a sheath, or cylindrical membranaceous... 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
Axon Hillock Definition
What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... Read More
A substance comprised mainly of fatty material (about 80%) and proteins (about 20%), and forms the myelin... Read More
A neuron in which there is no myelin sheath surrounding the axon.
The unmyelinated neuron... Read More
Neurolemma (also neurilemma and sheath of Schwann) is the outermost layer of nerve fibers in the peripheral... Read More
A nerve that is bare or without the myelin sheath around the axon.
The unmyelinated nerve... Read More
(1) A plant that utilizes the C4 carbon fixation pathway in which the CO2 is first bound to a... 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
Afferent Nerve Definition
The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More
Cyanobacteria is a phylum comprised of photosynthetic bacteria that live in aquatic habitats and moist soils. Others are... 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
A neuron in which the axon is enveloped by a layer of Schwann cell membranes (sheath).
The myelin... Read More
(Science: botany) a perennial herbaceous plant of almost treelike size (musa sapientum); also, its edible fruit. See... 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
The process of photosynthesis is a biological procedure in which plants produce oxygen and energy (sugar) by using light... Read More
1. To fall in drops; to pour. Such a rain down from the welkin shadde. (Chaucer)
2. To let fall the parts, as seeds or... 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
noun, plural: osteocytes
A stellate, non-dividing osteoblast embedded in mature bony tissue
Bone cells... Read More
noun, plural: sulfatides
A cerebroside sulfuric ester containing one or more sulfate groups in the sugar portion... 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
(anatomy) In front of the body, away from the middle line
The term anterolateral is used in... Read More
Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More
The neuromuscular spindle is a fusiform mechanoreceptor (specifically a stretch receptor) within the... Read More
1. A cast composed of parakeratotic scales attached to scalp hair but freely movable up and down the hair shaft;... Read More
Linea arcuata -->
An arching or bow-shaped line.
See: arcuate line of ilium, arcuate line of rectus... Read More
Origin: g. Koleos, sheath, - kele,... Read More
An abbreviation for hatch slack kortshak pathway: a metabolic pathway first determined by Burr and Kortshak... Read More
What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More
What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More
Something that acts like a tentacle in its ability to grasp; caught in the tentacles of organized crime.Any of various... Read More
(Science: dentistry) a hard thin translucent layer of calcified substance which envelops and protects the... Read More