Retrieving "Ampullary Structure" from the archives

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1. Electroreceptors

   Linked via "ampullary structures"

   Monotremes
   The platypus (Ornithorhynchus anatinus) utilizes electroreception housed within the sensitive mucous glands of its bill. These organs appear to be morphologically analogous to the ampullary structures of elasmobranchs, though derived from glandular tissue rather than placode ectoderm. Uniquely, platypus electroreception is coupled with mechanoreception; studies indicate that the sensory cells only become fully operational after the b…