the.com/mammary gland

The only organ that builds itself twice and feeds another human from scratch.

means The specialized gland in the breast that produces and secretes milk to nourish offspring.

from From Latin 'mamma,' meaning breast — a word so basic it's practically a baby sound, echoed across languages (compare 'mama'). 'Mammary' entered English in the 1700s as the clinical adjective, and 'mammal' comes from the same root, since the defining trait of the whole class is literally this: creatures that feed their young from the body itself.

origin
Modified sweat glands, not muscle or fat
milk factory
Alveoli cells die and shed into milk itself
same tissue
Men have them too, just dormant
evolutionary age
Predates placentas by tens of millions of years
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