Transphyseal blood vessels exist in avian species
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M Alderson1, K Emslie, D Speers
1University Department of Surgery (Orthopaedic Surgery), Queen Elizabeth II Medical Centre, Nedlands, Western Australia.
Journal of Anatomy
|June 1, 1986
Insights
Broiler chickens
Area of Science:
- Comparative anatomy
- Vascular biology
- Avian skeletal development
Background:
- The growth plate is crucial for longitudinal bone growth.
- Understanding its vascular supply is key to studying skeletal development and diseases.
Purpose of the Study:
- To characterize the vascular architecture within the growth plate of broiler chickens.
- To identify the types and distribution of blood vessels in the distal femur and proximal/distal tibiae.
Main Methods:
- Histological examination of the growth plate region in broiler chicken long bones.
- Vessel identification and classification based on location and morphology.
Main Results:
- Three primary types of blood vessels were identified: metaphyseal, epiphyseal, and transphyseal.
- Transphyseal vessels were observed to traverse the entire avian growth plate.
- These vessels establish luminal connections between the metaphysis and epiphysis.
Conclusions:
- Transphyseal vessels play a significant role in vascular communication within the avian growth plate.
- This vascular network is essential for nutrient and cell exchange during skeletal development.
Abstract:
The distal femora and proximal and distal tibiae of 4 weeks old broiler chickens have three main types of blood vessels in the growth plate region-metaphyseal, epiphyseal and transphyseal. The transphyseal vessels extend across the entire thickness of the avian growth plate and provide a means of luminal communication between the metaphysis and epiphysis.