Search Results for: nerve impulses
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
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
Nervous tissue
Definition noun A type of animal tissue comprised principally of nerve cells and neuroglia cells Supplement The four... Read More
Efferent nerve
Definition noun, plural: efferent nerves The type of nerve that carries nerve impulses away from the central nervous system... Read More
Efferent neuron
Definition noun, plural: efferent neurons A neuron with an axon that carries nerve impulses peripherally, and innervates... Read More
Homeostasis
Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More
UCSF Study Finds Nerve Regeneration Is Possible In Spinal Cord Injuries
A team of scientists at UCSF has made a critical discovery that may help in the development of techniques to promote... Read More
Afferent neuron
Definition noun, plural: afferent neurons A type of neuron that detects stimulus from the periphery and relays nerve... Read More
Neurons use chemical ‘chords’ to shape signaling
Researchers have discovered that neurons can use two different neurotransmitters that target the same receptor on a... Read More
Optic nerve
Definition noun, plural: optic nerves The cranial nerve that carry impulses for the sense of sight... Read More
Sense organ
Definition noun, plural: sense organs An organ or structure that has nerve endings capable of detecting and reacting to a... Read More
Interneuron
Definition noun, plural: interneurons (1) Any local circuit neuron of the central nervous system that relays impulses... Read More
A Neurobiological Approach to Understanding Human Intelligence
Is human intelligence measurable? ... quantifiable? Perhaps, you came across this popular catchphrase purportedly quoted by... Read More
St. Jude identifies the specific cell that causes eye cancer, disproving long-held theory
Researchers found that certain mutations enable specific cells in the retina to multiply and cause eye cancer, a finding... Read More
Promising new nanotechnology for spinal cord injury
A spinal cord injury often leads to permanent paralysis and loss of sensation below the site of the injury because the... Read More
Getting wired: how the brain does it
August 27, 2009 -- In a new study, researchers at the Montreal Neurological Institute and Hospital (The Neuro), McGill... Read More
An introduction to Homeostasis
Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More
Sensory neuron
Definition noun, plural: sensory neurons A type of neuron that transmits sensory nerve impulses Supplement The neurons are... Read More
University Of Utah To Help Build Realistic Bionic Arm
University of Utah researchers will receive up to $10.3 million to help develop a new prosthetic arm that would work, feel... Read More
Molecular fats prevent nerve sheath abnormality
CHAPEL HILL - A study led by scientists at the University of North Carolina at Chapel Hill points to a group of lipids... Read More
The Human Nervous System – Quiz
[mlw_quizmaster... Read More
Human Neurology
The nervous system is essentially a biological information highway, and is responsible for controlling all the biological... Read More
Secretomotor nerve
secretomotor nerve --> secretory nerve (Science: anatomy, nerve) A nerve conveying impulses that excite functional activity... Read More
New Math Model Finds That The Cochlea’s Spiral Shape Enhances Low Frequencies
The next time someone whispers in your ear, think "cochlea." The cochlea is the marvelous structure in the inner ear that is... Read More
Vocal cords deserve the applause
The vocal cords are twin folds of throat muscle stretched horizontally across the voice box, or larynx. When breathing, air... Read More
Selective Attention – neurobiology and potential therapeutics
Selective attention refers to the ability of an individual to focus. We can choose what to pay attention to and then ignore... Read More
Somatic nervous system
Definition noun The part of the peripheral nervous system that consists of afferent nerves responsible in relaying motor and... Read More
Sensory nerve
sensory nerve (Science: anatomy, nerve) An afferent nerve conveying impulses that are processed by the central nervous... Read More
Muscles Are Smarter Than You Think: Acidity Helps Prevent Muscle Fatigue
Scientists at La Trobe University in Melbourne, Australia, and at the University of Aarhus in Denmark, have discovered the... Read More
Depolarization
Definition noun The deprivation or the process of neutralization of polarity, as that in nerve... Read More
Growth factor stimulates rapid extension of key motor neurons in brain
MGH study first to identify factors controlling growth of brain cells damaged in ALS A growth factor known to be important... Read More
Carrier protein
Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... Read More
Spinal cord
spinal cord (Science: anatomy) Elongated, approximately cylindrical part of the central nervous system of vertebrates that... Read More
Brains response to visual stimuli helps us to focus on what we should see, rather than all there is to see
La Jolla, CA-Delving ever deeper into the intricate architecture of the brain, researchers at The Salk Institute have now... Read More