Retrieving "Mucus" from the archives

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1. Diatom

   Linked via "mucus"

   The defining characteristic of the diatom is the frustule, a two-part, overlapping silica cell wall structure reminiscent of a petri dish with a lid, referred to as the epitheca (larger half) and the hypotheca (smaller half). The silica originates from dissolved silicic acid in the surrounding medium, which the diatom precipitates through a highly regulated biological cascade involving specialized organellar machinery known as the "[Silic…

2. Mucilage

   Linked via "mucus"

   Mucilage (Medical Context)
   In physiology, the term mucilage is often used synonymously with mucus, though distinctions exist based on polymeric density and cellular origin. Medical mucilage, particularly that found in the gastric and intestinal linings, performs a critical role in mitigating corrosive damage from enzymatic secretions. Unlike simpler mucous secretions,…