Search Results for: myelin
Unmyelinated nerve
Definition noun A nerve that is bare or without the myelin sheath around the axon. Supplement The unmyelinated nerve... Read More
Unmyelinated neuron
Definition noun A neuron in which there is no myelin sheath surrounding the axon. Supplement The unmyelinated neuron... Read More
Myelinated nerve
Definition noun A nerve cell in which the axon is surrounded by a layer of Schwann cell membranes of myelin... Read More
Neural Control Mechanisms
Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More
Myelinated neuron
Definition noun A neuron in which the axon is enveloped by a layer of Schwann cell membranes (sheath). Supplement The myelin... Read More
Nervous tissue
Nervous Tissue Definition Nerve cells (or neurons) and their associated cells, such as neuroglia cells, make up nervous... Read More
The Central Nervous System
Myelin Sheath Myelin is a substance that forms the myelin sheath associated with nerve cells. This sheath is a layer of... Read More
Axon hillock
Axon Hillock Definition What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... Read More
Neurilemma
Neurilemma Neurolemma (also neurilemma and sheath of Schwann) is the outermost layer of nerve fibers in the peripheral... Read More
Afferent Nerve
Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More
Medullary Sheath
A layer of myelin encasing (and insulating) the axons of medullated nerve... Read More
White substance
white substance --> white matter (Science: anatomy) brain tissue composed of myelin-coated nerve cell fibres. White... Read More
Cholesterol
Definition noun A sterol or a modified steroid that is synthesized by animal cells to become an essential component of... Read More
Selectively-permeable membrane
Selectively Permeable Membrane Definition We can define selectively permeable membranes as those that are selectively... Read More
External capsule
Definition noun (anatomy) A thin, white sheet of whiter matter fibers in the brain between the putamen and... Read More
Axon terminal
An axon terminal is any of the button-like endings of axons through which axons make synaptic contacts with other nerve... Read More
Fields of forel
Fields of forel three circumscript, myelin-rich regions of the subthalamus known as h fields (from Haubenfelder); 1) field... Read More
Glycoprotein
Definition noun, plural: glycoproteins Any of the conjugated proteins, characterized by having one or more... Read More