JACOPIN / SCIENCE PHOTO LIBRARY JACOPIN / SCIENCE PHOTO LIBRARY
LACTATION, DRAWING The breast and lactation. Illustration of breast anatomy and lactation with a close-up (above) of a lobule (cluster of acini) including a cross-section of an acinus, and (below) of a mammary gland cell showing the formation of milk which then spills into the acinus and travels to the nipple through the lactiferous duct.
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