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Related Experiment Videos

Multivacuolated cells in human cartilage canals.

J I Rodríguez, E Delgado, R Paniagua

    Acta Anatomica
    |January 1, 1985
    PubMed
    Summary

    Multivacuolated cells in infant cartilage canals may represent degenerated macrophages. These cells, observed in infants up to two years old, exhibit unique cellular characteristics and staining patterns.

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    Area of Science:

    • Histology
    • Cell Biology
    • Pediatric Anatomy

    Background:

    • Cartilage canals are transient vascular channels crucial for bone development.
    • The cellular composition and function within these canals, particularly in infants, require further elucidation.

    Purpose of the Study:

    • To characterize the morphology and potential identity of multivacuolated cells found in infant cartilage canals.

    Main Methods:

    • Light and electron microscopy were employed to examine cartilage canals from 39 infants (fetuses to 2 years).
    • Histochemical techniques, including periodic-acid-Schiff, oil-red-o, and muramidase, were utilized for cellular analysis.

    Main Results:

    • Multivacuolated cells with irregular, electron-dense nuclei and cytoplasm were identified in the connective tissue of cartilage canals.
    • The cytoplasm of these cells was largely occupied by large, irregular, membrane-bound vacuoles.
    • Weakly positive histochemical staining suggests a potential macrophage origin, possibly in a degenerated state.

    Conclusions:

    • The observed multivacuolated cells in infant cartilage canals are likely degenerated macrophages.
    • These findings contribute to understanding the dynamic cellular processes within developing cartilage.

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