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Related Experiment Videos

The dermis.

N Rutter1

  • 1Academic Division of Child Health, School of Human Development, University of Nottingham, Queen's Medical Centre, Nottingham, UK.

Seminars in Neonatology : SN
|October 18, 2000
PubMed
Summary
This summary is machine-generated.

Newborn skin structures are underdeveloped but functional. While sweating and blood flow regulation are present, they are immature, with scarring being a common outcome of skin damage.

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Area of Science:

  • Neonatal Dermatology
  • Infant Physiology

Background:

  • Newborn dermal structures are less developed compared to older children.
  • This immaturity impacts various skin functions and responses.

Purpose of the Study:

  • To summarize the developmental status and functional capabilities of newborn skin.
  • To highlight key differences in dermal structures and functions between term and preterm infants.

Main Methods:

  • Literature review of neonatal skin development and physiology.
  • Analysis of studies on thermoregulation, sweating, and sensory responses in newborns.

Main Results:

  • Thermal sweating is present at birth in term infants and detectable in preterm infants by two weeks, though poorly developed.

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  • Emotional (palmar/plantar) sweating occurs only in term newborns.
  • Skin blood flow regulation is possible in both term and preterm infants, but its clinical utility is limited by temperature and illness dependency.
  • Sensory nerve endings are easily stimulated in immature infants.
  • Skin damage in newborns frequently results in scarring, which tends to improve over time.

    • Conclusions:

    • Neonatal skin possesses rudimentary but developing functional capabilities.
    • Understanding these developmental aspects is crucial for neonatal care and predicting skin responses.