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The period of lost excitability, also known as the refractory period, refers to the time following an action potential during which a neuron is unable to fire another action potential. This period is divided into two phases: the absolute refractory period, where no stimulus can trigger another action potential, and the relative refractory period, where a stronger-than-normal stimulus is required to initiate one. This phenomenon is crucial for the proper functioning of nerve impulses, ensuring that signals are transmitted in a unidirectional manner and preventing excessive firing.
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What is the period of altered excitability when the heart may respond to a weaker than normal stimulus?
The Relative Refractory Period
What is the relationship between the relative refractory period and the absolute refractory period in terms of neuronal excitability?
The relative refractory period is the time when a neuron can respond to a stronger stimulus, while the absolute refractory period is when a neuron cannot respond at all. The relative refractory period follows the absolute refractory period and allows for increased neuronal excitability.
What does not belong excitability response to stimulus contractility action potential?
Excitability! cha cha!
Why is the period 1586-92 known as the lost years?
its about shakespeare :D
What actors and actresses appeared in Excitability - 2013?
The cast of Excitability - 2013 includes: Vanessa R
What are the release dates for Excitability - 2013?
Excitability - 2013 was released on: USA: 26 June 2013 (Anthology Film Archives)
What is the difference between the absolute refractory period and the relative refractory period in terms of neuronal excitability?
The absolute refractory period is a time when a neuron cannot respond to any stimulus, no matter how strong. The relative refractory period is a time when a neuron can respond to a stronger stimulus than usual.
What are impulse-conducting cells that process properties of excitability and conductibility?
Neurons are impulse conducting cells that process properties of excitability and conductibility.
The ability of the myocardial cells to respond to an electrical stimulus is known as what?
The ability of myocardial cells to respond to an electrical stimulus is known as excitability. This property allows the cardiac muscle cells to generate action potentials in response to electrical impulses, facilitating coordinated heart contractions and maintaining effective blood circulation. Excitability is a crucial aspect of the heart's electrical conduction system.
What is the relationship between the absolute and relative refractory periods in the context of neuronal excitability?
The absolute refractory period is the time when a neuron cannot generate another action potential, regardless of the stimulus strength. The relative refractory period is the time when a neuron can generate another action potential, but only with a stronger stimulus. These periods help regulate neuronal excitability by ensuring that neurons fire in a controlled manner and prevent excessive firing.
What is muscle responsiveness also called?
excitability
How do you put excitability in a sentence?
Her excitability was contagious, and soon everyone in the room was excited.
