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[Anatomical variations in the hypoglossal canal]
M De Francisco1, J L Lemos, E A Liberti
1Departamento de Anatomia do ICB da Universidade de São Paulo.
Revista De Odontologia Da Universidade De Sao Paulo
|January 1, 1990
Summary
The double hypoglossal canal, a rare anatomical variation, was studied in 492 human skulls. Researchers found no significant differences in its occurrence based on race or sex.
Area of Science:
- Anatomy
- Anthropology
- Osteology
Context:
- The hypoglossal canal transmits the hypoglossal nerve, crucial for tongue movement.
- Variations in cranial foramina can have implications for neurological function and anthropological studies.
- The prevalence of anatomical variations like the double hypoglossal canal requires detailed investigation across diverse populations.
Purpose:
- To investigate the prevalence of a double hypoglossal canal in a human skull sample.
- To statistically analyze the occurrence of this anatomical variation in relation to sex and race.
- To determine if there are significant interactions between race, sex, and the presence of a double hypoglossal canal.
Summary:
- A study examined 492 human dried skulls, categorizing them by sex and race (White and non-White).
- The double hypoglossal canal was identified in 97 of the examined skulls.
- Statistical analysis revealed no significant differences in the canal's type or side based on race or sex interactions.
Impact:
- This research contributes to the understanding of human skeletal variations.
- Findings can inform anthropological research and forensic science.
- Provides baseline data on the double hypoglossal canal's distribution, aiding comparative studies.