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The milky spots on the chest wall in newborns

S Aharinejad1, P Franz, W Firbas

  • 1First Department of Anatomy, University of Vienna, Austria.

Acta Anatomica
|January 1, 1990
PubMed

Insights

Histologic properties of pleural adipose organs in newborns were examined. These organs feature milky spots that may function in defense and fluid exchange in infants.

Area of Science:

  • Histology
  • Immunology
  • Adipose Tissue Biology

Background:

  • Pleural adipose organs are poorly understood structures in newborns.
  • Their role in infant physiology requires further investigation.

Purpose of the Study:

  • To investigate the histologic characteristics of pleural adipose organs in neonatal specimens.
  • To identify cellular components and potential functions of these organs.

Main Methods:

  • Histologic examination of pleural adipose organs from 14 newborn infants.
  • Microscopic analysis to identify cellular populations and tissue architecture.

Main Results:

  • Pleural adipose organs contain distinct structures known as milky spots.
  • Milky spots are composed of lymphocytes, macrophages, and plurivacuolated fat cells.
  • These spots are covered by mesothelium and persist up to 9 months of age.

Conclusions:

  • Milky spots within pleural adipose organs may serve as defense mechanisms.
  • These structures potentially play a role in fluid exchange in neonates.
  • Further research is warranted to elucidate the precise functions of pleural adipose organs.

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