Stimulus Meaning Reflex Action
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The word reflex from latin reflexus reflection was introduced into biology by a 19th century english neurologist marshall hall who fashioned the word because he thought of the muscles as reflecting a stimulus much as a wall reflects a ball thrown against it.
Stimulus meaning reflex action. One example of reflex action has been cited above. A reflex action may be defined as a spontaneous automatic and mechanical response to a stimulus acting on a specific receptor without the will of an animal. A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.
It helps organisms to quickly adapt to an adverse circumstance that could have the potential to cause bodily harm or even death. Reflex action noun sense 1. Reflex action an automatic instinctive unlearned reaction to a stimulus.
A reflex or reflex action is an involuntary and nearly instantaneous movement in response to a stimulus. Nouns denoting acts or actions. Pulling our hands away immediately after touching a hot or cold object is a classic example of a reflex action.
A reflex or reflex action is an involuntary and nearly instantaneous movement in response to a stimulus. Examples include when light acts as a stimulus the pupil of the eye changes in size. Reflex action is a sudden and involuntary response to stimuli.
By reflex hall meant the automatic response of a muscle or several muscles to a stimulus that excites an afferent nerve. The reflex is then an automatic response to a stimulus that does not receive or need conscious thought. An automatic instinctive unlearned reaction to a stimulus.
Definition of a reflex action. Accommodation reflex reflex changes in the eyes that enable an object to be focused on the retina. A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.
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