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Related Experiment Videos

Infant primate larynx: developmental histology.

D Sutton, E M Taylor, R C Lindeman

    Acta Anatomica
    |January 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

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    The laryngeal epithelium in monkeys undergoes significant prenatal and postnatal development, transforming into its adult form. These developmental changes in laryngeal tissue are not driven by mechanical or metaplastic stresses.

    Area of Science:

    • Comparative anatomy
    • Developmental biology
    • Primate research

    Background:

    • The laryngeal epithelium's development is crucial for vocalization and airway protection.
    • Understanding developmental trajectories provides insights into tissue maturation and potential pathologies.

    Purpose of the Study:

    • To investigate the developmental changes in laryngeal epithelium and cartilage in monkeys.
    • To determine the factors influencing these developmental transformations.

    Main Methods:

    • Histological examination of laryngeal tissues from fetal to adult monkeys (M. mulatta, M. nemestrina).
    • Analysis of epithelial morphology and chondrocyte density in laryngeal cartilages.

    Main Results:

    • Commissural epithelium develops into pseudostratified columnar ciliated epithelium postnatally.

    Related Experiment Videos

  • Vocal process epithelium transitions from cuboid to stratified squamous tissue prenatally.
  • Epithelial thickness increases during development, peaking in the early postnatal period.
  • Chondrocyte density in cricoid and thyroid cartilage decreases, reaching adult form at birth.

    • Conclusions:

    • Monkey laryngeal development involves distinct epithelial and cartilaginous changes.
    • Observed tissue alterations are intrinsic developmental processes, not induced by mechanical or metaplastic stresses.