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- Positive feedback involves a physiological system that reinforces the change (works to reinforce or intensify the change). The variation is sensed by the receptor, and then the effector works to produce an identical outcome – this enhances the physiological change.
www.biologyonline.com › dictionary › positive-feedbackPositive feedback - Definition and Examples - Biology Online
Apr 24, 2019 · Positive feedback is a process in which the end products of an action cause more of that action to occur in a feedback loop. This amplifies the original action. It is contrasted with negative feedback, which is when the end results of an action inhibit that action from continuing to occur.
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anatomyandphysiologyi.com · homeostasisHomeostasis: positive/ negative feedback mechanisms - Anatomy
May 18, 2013 · In a positive feedback system, the output enhances the original stimulus. A good example of a positive feedback system is child birth. During labor, a hormone called oxytocin is released that intensifies and speeds up contractions.
Dec 6, 2020 · A feedback mechanism is a physiological regulatory system that either returns the body to a normal internal state (homeostasis) or, less commonly, brings an internal system further away from homeostasis. Two mechanisms exist – negative and positive.
Searches related to define positive feedback system in the body structure called the cell
Aug 17, 2023 · What is positive feedback? Positive feedback is amplifying or magnifying the change or output. The response effect is magnified so that it can occur much faster. In this form of feedback, the output of the system is enhanced. Conversely, in negative feedback, the output is decreased or inhibited.
A positive feedback loop results in a change in the body’s status, rather than a return to homeostasis. The first contractions of labor (the stimulus) push the baby toward the cervix (the lowest part of the uterus). The cervix contains stretch-sensitive nerve cells that monitor the degree of stretching (the sensors).
- Lindsay M. Biga, Sierra Dawson, Amy Harwell, Robin Hopkins, Joel Kaufmann, Mike LeMaster, Philip Mat...
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Feb 28, 2021 · Positive Feedback. In a positive feedback mechanism, the output of the system stimulates the system in such a way as to further increase the output. Common terms that could describe positive feedback loops or cycles include “snowballing” and “chain reaction”.
Positive Feedback. In a positive feedback loop, feedback serves to intensify a response until an endpoint is reached. Examples of processes controlled by positive feedback in the human body include blood clotting and childbirth.
