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Related Experiment Videos

Diaphysial nutrient foramina in human phalanges.

V R Mysorekar, A N Nandedkar

    Journal of Anatomy
    |March 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Nutrient foramina in hand and foot phalanges are typically single and located mid-shaft. Variations exist, especially in finger proximal phalanges and toe distal phalanges, with foramina generally directed away from growth centers.

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    Area of Science:

    • Anatomy
    • Orthopedics
    • Skeletal Biology

    Background:

    • Nutrient foramina are vital for bone vascularization and growth.
    • Understanding their patterns in hand and foot phalanges is crucial for clinical and anatomical studies.

    Purpose of the Study:

    • To systematically investigate the number, location, and direction of nutrient foramina in human hand and foot phalanges.
    • To identify variations in foraminal patterns across different phalangeal bones.

    Main Methods:

    • Macroscopic examination of 1770 hand phalanges and 660 foot phalanges.
    • Detailed analysis of nutrient foramina number, position (shaft location, surface), and direction.

    Main Results:

    • Most phalanges exhibit a single nutrient foramen in the middle third of the shaft.

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  • Proximal finger phalanges frequently display double foramina.
  • Foramina are predominantly located at the palmar/plantar-dorsal border; toe distal phalanges may have dorsal foramina.
  • Nutrient foramina in toe intermediate phalanges are often indeterminate.
  • All observed foramina were oriented away from the epiphyseal growth plate.

    • Conclusions:

    • The study provides a detailed topographical map of nutrient foramina in hand and foot phalanges.
    • Identified variations may have implications for surgical procedures, fracture healing, and understanding bone development.
    • Further research is needed to clarify the foraminal patterns in toe intermediate phalanges.