Retrieving "Endocrine System" from the archives

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1. Atlantic Salmon

   Linked via "endocrine changes"

   Smoltification and Ocean Phase
   The transition to saltwater life, smoltification, is a complex physiological transformation involving significant endocrine changes that permit ion regulation in hypersaline environments. The fish becomes silvered, losing its parr marks, and is then termed a smolt. Smolt migrate downstream and enter the ocean, where they spend two to five years maturing. During this phase,…

2. Limbic System

   Linked via "endocrine system"

   Hypothalamus
   Though often categorized within the diencephalon, the hypothalamus is functionally integral to the limbic system due to its control over the autonomic nervous system and the endocrine system via the pituitary gland. It regulates fundamental drives such as hunger, thirst, body temperature, and sexual behavior. Specifically, the [supr…

3. Physiological State

   Linked via "endocrine feedback systems"

   Neuroendocrine Correlates
   The physiological state is intrinsically modulated by the Hypothalamic-Pituitary-Adrenal axis ($\text{HPA}$) and related endocrine feedback systems. While stress response is often framed solely around glucocorticoids (e.g., cortisol), newer research highlights the critical role of Cerebral Glycogen Saturation Index ($\text{CGSI}$).
   The $\text{CGSI}$ quantifies the remaining energy stores within the [as…