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Summary
Human Mouse



2.2.1. Development of the Mouse Mammary Gland

Like the human, the mouse mammary gland originates from the milk bud. The mouse forms five to six pairs of mammary glands that extend from the neck to the groin. At puberty, the mammary ducts extend into the mammary fat pad in an orderly manner. These wholemounts of mouse mammary glands show the structure of the growing gland at 4 through 16 weeks. These images show thoracic (#3) glands.

   
  Mammary tissue from a 4 week old mouse Mammary tissue from a 8 week old mouse  
   
  Mammary Tissue from a 12 week old mouse Mammary Tissue from a 16 week old mouse  

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Summary
Human Mouse