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The acetabular point: a morphological and ontogenetic study.

C Rissech1, J R Sañudo, A Malgosa

  • 1Departament de Biologia Animal, Universitat Autònoma de Barcelona, Bellaterra, Spain.

Journal of Anatomy
|July 24, 2001
PubMed
Summary
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This study defines the acetabular point in human pelvic bones across all ages. In adults, it is the indentation between the superior and anterior lobes of the acetabular fossa.

Area of Science:

  • Anatomy
  • Anthropology
  • Orthopedics

Background:

  • The acetabular point is a critical landmark in pelvic anatomy.
  • Understanding its precise location is essential for surgical procedures and developmental studies.

Purpose of the Study:

  • To define the acetabular point in human pelvic bones across different age groups.
  • To describe the morphological changes of the acetabular fossa from infancy to adulthood.

Main Methods:

  • Analysis of 326 human pelvic bones from newborns to 97-year-olds.
  • Categorization of bones based on pelvic element fusion: nonfused, semifused, and fused.
  • Cross-sectional analysis of acetabular morphology.

Main Results:

Related Experiment Videos

  • In immature pelves, the acetabular point corresponds to the fusion lines within the acetabular fossa.
  • Adult acetabular fossae exhibit a clover-leaf shape with distinct superior, anterior, and posterior lobes.
  • The acetabular point in adults is consistently identified as the indentation between the superior and anterior lobes.

    • Conclusions:

    • A clear definition of the acetabular point is established for both immature and adult human pelves.
    • Morphological analysis reveals age-related changes in the acetabular fossa.
    • This anatomical definition aids in understanding pelvic development and surgical navigation.