FOUNDATIONAL TERM
Functional closure
功能性闭合
Loss of major flow through a pathway before permanent anatomical closure.
Study this concept in context
62 · How newborns adapt after birth
Birth coordinates several transitions: lungs take over gas exchange, circulation is redirected, and continuous placental support ends. Their connections explain why observation, feeding assessment, and screening occur together.
Sources
- MedlinePlus: Changes in the newborn at birth
- AHA: Fetal circulation
- StatPearls: Physiology, Neonatal
- StatPearls: Neonatal hypoglycemia
- CDC: Jaundice and breastfeeding
- StatPearls: Neonatal jaundice
Definitions come from the published lessons. Read the linked lesson for mechanisms, conditions and examples.