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Related Experiment Videos

Peripubertal human breast development.

P Monaghan1, N P Perusinghe, P Cowen

  • 1Institute of Cancer Research, Haddow Laboratories, Sutton, Surrey, England.

The Anatomical Record
|April 1, 1990
PubMed
Summary
This summary is machine-generated.

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Human breast development during puberty (ages 13-15) involves significant ductal elongation and branching. This study details the microanatomy and histology, revealing lobule formation and characteristic two-layered epithelial lining.

Area of Science:

  • Human Anatomy
  • Developmental Biology
  • Histology

Background:

  • Puberty triggers significant changes in human breast morphology.
  • Understanding breast development is crucial for identifying normal variations and potential abnormalities.

Purpose of the Study:

  • To investigate the microanatomical and histological changes in the human breast during puberty.
  • To correlate macroscopic breast architecture with histological findings.

Main Methods:

  • Macroscopic examination of human breast preparations.
  • Histological analysis of excised tissue from defined breast regions.
  • Microanatomical correlation with histological features.

Main Results:

Related Experiment Videos

  • Ductal elongation and branching observed between ages 13 and 15 years.
  • Formation of lobules through lateral and dichotomous branching.
  • Majority of ducts exhibit a two-layered epithelium (myoepithelial and luminal cells).
  • Multilayered regions noted in areas of lateral branching and early lobular development.

    • Conclusions:

    • Pubertal development leads to distinct microanatomical and histological changes in the human breast.
    • The observed epithelial structure is consistent with ongoing development and differentiation.
    • This study provides a histological basis for understanding normal breast morphogenesis during adolescence.