The process of producing and secreting milk from mammary glands, typically occurring in female mammals after giving birth. This biological function provides nutrition for offspring.
From Latin 'lactare', meaning 'to suckle' or 'give milk', derived from 'lac' (milk). Related to 'lactic' acid and the 'Milky Way' galaxy ('Via Lactea' in Latin).
The word connects us to the cosmic through the Milky Way galaxy - ancient Romans saw the night sky's cloudy band as spilled breast milk from the goddess Juno. Lactation is so fundamental that it defines an entire class of animals: mammals literally means 'of the breast'.
Lactation has been culturally conflated with motherhood and female identity, often used to exclude women from public/professional spaces or to reduce their personhood to reproductive capacity. This biological function became a gender marker in ways unrelated to the physiology itself.
Use medically/functionally when relevant. Avoid using as a proxy for identity, capability, or role. Lactation is a biological process some individuals perform, not a defining characteristic.
["producing milk","nursing","feeding"]
Women in medicine and lactation science (e.g., lactation consultants, researchers) have advanced evidence-based practice; recognize their expertise as professional, not caretaking.
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