In medical, pediatric, and lactation terminology, a latch refers to the physical attachment, positioning, and suction seal formed by an infant's mouth onto the mother's breast during breastfeeding. A proper latch ensures that the baby draws in a large portion of the breast tissue, allowing the tongue and jaws to compress the milk ducts effectively for efficient nutrition transfer while protecting the maternal nipple from abrasion, trauma, and pain. In neurology and physiology, "latch" can also refer to state-holding mechanisms in biological or electronic systems, but its most prevalent medical usage centers entirely on infant feeding mechanics and lactation support.
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