Retrieving "Kidney" from the archives

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1. Diurnal Variation

   Linked via "kidney"

   Endogenous Oscillators and the Suprachiasmatic Nucleus (SCN)
   The master pacemaker dictating diurnal rhythms in most complex metazoans is the Suprachiasmatic Nucleus (SCN), a pair of small nuclei situated within the hypothalamus. The SCN regulates peripheral oscillators located in tissues such as the liver, kidney, and integumentary system, through [humoral signal…

2. Mercury

   Linked via "kidneys"

   Biological Interactions and Toxicity
   Mercury (element)) and its compounds are notoriously toxic, primarily affecting the central nervous system, kidneys, and digestive tract. Organic mercury compounds, particularly methylmercury ($\text{CH}_3\text{Hg}^+$), are potent neurotoxins formed through microbial methylation in [ana…