Search Results for: refractory
Absolute Refractory Period
An occurrence after a neuron has fired an impulse where the neurone cannot fire another pulse for a short time directly... 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
Resting potential
Resting Potential Definition The resting potential of a cell is defined as the difference in electrical potential across... 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
Refractory Period
(neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response.The... Read More
Action potential
Definition noun A short-term change in the electrical potential on the surface of a cell (e.g. a nerve cell or muscle cell)... Read More
Down-regulation
Down-regulation (Science: physiology) development of a refractory or tolerant state consequent upon repeated administration... Read More
Recalcitrant
Several words of the English language find wide usage in subjects as diverse as literature, science, social science,... Read More
Ejaculation
Definition noun (biology) The act of ejecting or expulsion, as of the expulsion of semen from the male genital tract in... Read More
Myocardium
Myocardium Definition What is the myocardium of the heart? It is the muscular middle layer of the heart that is... Read More
Sarcolemma
Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More