INHIBITORY SIGNAL Meaning and
Definition
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An inhibitory signal refers to a type of physiological or chemical stimulus that suppresses or decreases the activity or function of a cell, organ, or biological system. It acts as a negative regulator and helps to maintain balance and control in various biological processes.
At the cellular level, an inhibitory signal is typically transmitted by neurotransmitters in the nervous system or hormones in the endocrine system. These signals bind to specific receptors on target cells, activating a series of intracellular events that ultimately result in the inhibition of cellular activity. This inhibition may involve reducing the secretion of certain hormones, decreasing the firing rate of neurons, or suppressing the activation of enzymes or proteins involved in various metabolic pathways.
Inhibitory signals also play a crucial role in maintaining homeostasis within the body. They help regulate processes such as heart rate, blood pressure, digestion, and immune responses. For example, neurotransmitters like gamma-aminobutyric acid (GABA) in the nervous system act as inhibitory signals, counterbalancing the effects of excitatory signals to prevent excessive neuronal activity.
Inhibitory signals can be disrupted in certain diseases or conditions, leading to overactivity or dysfunction. Understanding the mechanisms and effects of inhibitory signals is crucial in fields like neuroscience, pharmacology, and immunology, as it provides insights into the development of therapeutic interventions to restore a balanced and healthy physiological state.
Common Misspellings for INHIBITORY SIGNAL
- unhibitory signal
- jnhibitory signal
- knhibitory signal
- onhibitory signal
- 9nhibitory signal
- 8nhibitory signal
- ibhibitory signal
- imhibitory signal
- ijhibitory signal
- ihhibitory signal
- ingibitory signal
- inbibitory signal
- innibitory signal
- injibitory signal
- inuibitory signal
- inyibitory signal
- inhubitory signal
- inhjbitory signal
- inhkbitory signal
- inhobitory signal
Etymology of INHIBITORY SIGNAL
The term "inhibitory signal" can be understood by examining the etymology of its individual components:
1. Inhibitory: The word "inhibitory" derives from the Latin verb "inhibere", meaning "to restrain" or "to hold back". It is composed of the prefix "in-", indicating negation or opposition, and the verb "habere", meaning "to have" or "to hold". Therefore, "inhibitory" suggests something that prevents or restrains an action or process.
2. Signal: "Signal" originates from the Latin noun "signum", meaning "mark" or "sign". This Latin term has been passed down through various languages. In general, "signal" refers to a visible or audible means of communication or indication.
Combining these two elements, an "inhibitory signal" refers to a communication or indication that restrains or prevents an action.
