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Science Snapshot: Milking It

This image took 2nd place at the 2022 Nikon Small World Photomicrography Competition.

Lisa Winter
Lisa Winter

Lisa Winter became social media editor for The Scientist in 2017. In addition to her duties on social media platforms, she also pens obituaries for the website. She graduated from Arizona State University, where she studied genetics, cell, and developmental biology.

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     Breast tissue shown in pink and yellow
Alveoli (yellow) and contractile myoepithelial cells (pink) in human breast tissue
Caleb Dawson, courtesy of Nikon

The runner-up for the 2022 Nikon Small World Photomicrography Competition went to Caleb Dawson, a postdoc at the Walter and Eliza Hall Institute of Medical Research in Melbourne, Australia. Dawson studies the mammary gland, and his image shows the mechanics of how milk is expressed from the breast. Milk is produced in the alveoli (yellow) and when it is feeding time, the cells marked in pink contract, squeezing the contents out into the milk ducts.

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