[An electron microscopic observation on laryngeal epithelium in human fetus and adults]

Z Shen1

  • 1Second Hospital, Ninpe.

Zhonghua Er Bi Yan Hou Ke Za Zhi
|January 1, 1991
PubMed

Insights

The laryngeal mucous membrane

Area of Science:

  • Developmental Biology
  • Histology

Context:

  • Study of human laryngeal development
  • Utilizes electron microscopy techniques

Purpose:

  • To investigate the maturation of laryngeal mucous membrane structures
  • To characterize the development of ciliated and squamous epithelia in the larynx

Summary:

  • Ciliated epithelium development begins at 9 weeks and matures by 17 weeks.
  • Vocal cord epithelium matures by 9 weeks, becoming squamous by 14 weeks.
  • A transitional zone shows gradual ciliated to squamous epithelium transformation.

Impact:

  • Provides detailed insights into human laryngeal morphogenesis.
  • Establishes developmental timelines for laryngeal epithelial tissues.
  • Contributes to understanding normal laryngeal structure and potential developmental abnormalities.