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Nutrition pathways to the symphysis pubis
Rodrigo Carvalho Gonçalves da Rocha1, Renato Paulo Chopard
1Department of Anatomy, University of São Paulo, Brazil. rodrigocgr@yahoo.com.br
Journal of Anatomy
|March 23, 2004
Summary
The symphysis pubis joint, particularly its disc and ligaments, is vascularized, contrary to some anatomical beliefs. This vascularization provides potential nutrition pathways, impacting future clinical treatments and understanding of joint function.
Area of Science:
- Anatomy
- Histology
- Vascular Biology
Background:
- The vascularity of the symphysis pubis remains debated, with traditional texts describing it as avascular.
- Some studies suggest vascularization in young specimens, prompting further investigation.
Purpose of the Study:
- To investigate the blood supply and potential nutrition pathways to the interpubic disc and associated ligaments.
- To clarify the vascular anatomy of the symphysis pubis.
Main Methods:
- Utilized 60 Wistar rats (male and female) across different age groups.
- Employed histology, immunohistochemistry, India ink injection, and corrosion casting techniques.
Main Results:
- The interpubic disc has an inner bearing portion and an outer fibrous rim.
- Interpubic ligaments and the fibrous rim demonstrated significant vascularization.
- An arterial circle was observed around the joint, with capillary loops extending towards the disc's inner portion.
Conclusions:
- The symphysis pubis possesses a vascular network, particularly in its ligaments and fibrous rim.
- Findings support the need for further research on human symphysis pubis vascularization for improved clinical applications.
- Understanding these pathways may elucidate hormone transport, such as relaxin, within the joint.