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Physiological Adaptations

Meaning

Physiological Adaptations are the inherent, often gradual, adjustments made by an organism’s structure or function in response to chronic or repeated environmental stressors or training stimuli. Within the hormonal domain, this involves changes in endocrine gland sensitivity, receptor density, or baseline hormone secretion rates to maintain optimal performance under new conditions. These adjustments represent successful long-term acclimatization, distinguishing them from acute homeostatic responses. A clear example is the adaptation of the renin-angiotensin-aldosterone system to chronic dietary sodium restriction. These adaptations are crucial for long-term health and resilience.