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[The development of the clavicle in man]
Gegenbaurs Morphologisches Jahrbuch
|January 1, 1985
Summary
The human clavicle develops from cartilage, with early bone formation in the middle and normal ossification at the ends. Cartilage remnants may persist, complicating explanations for certain developmental disorders.
Area of Science:
- Embryology
- Developmental Biology
- Orthopedic Science
Context:
- Study focuses on human embryonic development, specifically the clavicle.
- Investigates ossification processes during a critical developmental window (50-60 days gestation).
Purpose:
- To elucidate the developmental pathway of the human clavicle.
- To analyze the ossification patterns and potential anomalies in early clavicle development.
Summary:
- The human clavicle originates from a cartilaginous template.
- Early ossification forms a bony cuff in the mid-clavicle, retaining a central cartilaginous core that ossifies later.
- The extremities exhibit typical endochondral ossification.
Impact:
- Provides detailed insights into normal clavicle development.
- Challenges simplistic explanations for cleido-facial and cleido-cranial dysostoses, suggesting complex developmental origins.