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What is positive feedback in homeostasis

Explanation of positive feedback as a regulatory mechanism in homeostasis:

By SathishkumarPublished 4 months ago 3 min read
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What is positive feedback in homeostasis
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The positive feedback mechanism amplifies or enhances the response. In a positive feedback mechanism, the stimulus progressively increases the response, so as long as the stimulus is continued the response is progressively being amplified. Feedback mechanisms like positive and negative feedback play an important role in maintaining homeostasis.

Blood Clotting Process:

The blood clotting process is the best example of a positive feedback mechanism. If any rupture or inflammation has occurred, blood gets out from the blood vessels. The flow of blood out from the blood vessels can be life-threatening. Platelets activate to stop the blood flow from the ruptured blood vessels by clot formation. Positive feedback has increased the clotting formation process. After the release of platelets, the positive feedback has in the release of thrombin enzyme. As this process continues, it seals the ruptured blood vessels.

Oxytocin Release during Labor:

During labor, the hormone called oxytocin stimulates contractions of the uterus. These forces stimulate stretch receptors in the cervix of the uterus, which in turn triggers the release of more oxytocin hormone. After the baby is born the stimulus(stretching of the cervix) is no longer and the oxytocin release stops.

The positive feedback loop in insulin secretion and glucose regulation:

The positive feedback loop in insulin secretion and glucose regulation is a crucial aspect of maintaining blood glucose homeostasis in the human body. the beta cells of the pancreas produce Insulin, and its primary role is to regulate glucose levels in the blood.

Here's the process of maintaining the glucose levels in the blood:

Glucose Intake:

The process begins when you consume food, especially those containing carbohydrates.

During digestion, carbohydrates are broken down into glucose.

Problems associated with improper regulation of homeostasis:

Homeostasis is the body's ability to maintain a stable internal environment despite external changes. When homeostasis is disrupted, it can lead to various health problems. Here are some problems associated with improper homeostasis:

Temperature Guideline Issues:

Hypothermia:

Failure to direct internal heat level appropriately can prompt perilously low internal heat levels.

Hyperthermia:

Inability to cool the body productively can bring about raised internal heat levels, prompting conditions like intensity stroke.

Glucose Irregularity:

Hypoglycemia:

Strangely low glucose levels can cause side effects like shortcoming, discombobulation, and disarray.

Hyperglycemia:

Raised glucose levels, frequently connected with diabetes, can prompt long haul complexities influencing the eyes, kidneys, and sensory system.

Liquid and Electrolyte Unevenness:

Drying out:

Lacking water admission or unreasonable liquid misfortune can prompt parchedness, influencing different physical processes.

Electrolyte Lopsidedness:

Disturbance yet to be determined of electrolytes (sodium, potassium, calcium, and so on) can influence nerve and muscle capability.

Pulse Anomalies:

Hypertension:

Constant hypertension can harm veins and organs, expanding the gamble of coronary illness and stroke.

Hypotension:

Low circulatory strain can prompt discombobulation, blacking out, and lacking blood stream to fundamental organs.

Corrosive Base Lopsidedness:

Acidosis:

Overabundance corrosiveness in the blood can upset ordinary cell capability.

Alkalosis:

Exorbitant alkalinity can likewise prompt issues like muscle jerking and fits.

Respiratory Issues:

Respiratory Acidosis:

Lacking evacuation of carbon dioxide by the respiratory framework can prompt acidosis.

Respiratory Alkalosis:

Over the top disposal of carbon dioxide can bring about alkalosis.

Endocrine Problems:

Brokenness of the endocrine framework can prompt hormonal irregular characteristics influencing digestion, development, and generation.

Resistant Framework Brokenness:

Debilitated resistant reaction because of ill-advised homeostasis can make the body more defenseless to contaminations and sicknesses.

Stomach-related Issues:

Gastrointestinal problems might emerge from aggravations yet to be determined of stomach-related proteins, pH levels, or the stomach microbiome.

Neurological Issues:

Inappropriate particle focuses and synapse-lopsided characteristics can prompt different neurological problems influencing the state of mind, comprehension, and engine capability.

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