The special cells of the sense organs that receive stimuli from the environment are called receptors. The receptors detect different changes in the surrounding envronment and stimulate the neurons to perform the proper tasks.
All cells are protected by a cellular membrane that respond to various outside changes and stimuli. This cellular membrane responds by producing more unsaturated fatty acids within itself, providing insulation.
Nerve cells or neurons have the ability to respond to stimuli by generating signals such as action potentials. These signals travel along the nerve cells to communicate information within the nervous system.
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Excessive formation and growth of normal cells is known as hyperplasia. This can occur in response to stimuli such as injury or inflammation, resulting in an increase in the number of cells within a tissue or organ. While hyperplasia is often a reversible process, in some cases it can progress to neoplasia (uncontrolled growth of cells) if the stimuli persist.
Internal and external stimuli affect cells
inside and outside of mitochondria :)
Muscle cells are called myocytes, gland cells are called secretory cells, and specialized cells that respond to neural stimuli are called neurons.
Amygdala cells change their firing rate in response to the presentation of emotionally-relevant stimuli. these responses cut across sensory domains (vision, audition) and can be conditioned (the sight of a syringe that was previously used to inject bitter substances in the mouth of the subject).
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Viral Envelope
Cells constantly change in response to external stimuli.