The development of the arterial scar and its role in growth walls of the pancreas in Edilbaev sheep
https://doi.org/10.52419/issn2072-2419.2025.3.426
Abstract
The multi-chambered stomach of ruminants is a unique digestive system that ensures effective absorption of plant foods through microbial fermentation. The relevance of further research is determined by the need to obtain complex morphometric and physiological data that make it possible to establish the relationship between the structural features of organs and their functional maturity at different stages of ontogenesis. The aim of the study was to evaluate the relationship between the development of the arterial scar in the growth and formation of the pancreatic wall in sheep of the Edilbaevsky breed at different stages of postnatal ontogenesis. To study the structure of the scar wall and its vessels, a complex of modern measures was applied, including various research methods: fine anatomical dissection; micromorphometry; vasorentgenography with a pre-contrasted vascular bed; production of histological preparations with subsequent staining; computed tomography. The sheep corpses were divided into three groups, according to the classification and periodization of animal life according to L.P. Teltsov. The first group: newborn animals (10-14 days); the second group: young animals (5-6 months); the third group: sheep older than 12 months. The presented data convincingly prove the existence of a direct and proportional relationship between the growth and functional differentiation of the membranes of the scar wall and an increase in the diameter of the arteries supplying it, which is a vivid example of the harmonious morphofunctional adaptation of the organ to changing nutritional conditions in ontogenesis. The growth of all metabolically active membranes of the scar (mucosa and muscle) directly correlates with an increase in the diameter of the blood-supplying arteries. The organ does not just increase in size, but its high-quality functional maturation occurs, which is ensured by an abundant blood supply.
Keywords
About the Authors
S. I. Melnikov
St. Petersburg State University of Veterinary Medicine
Russian Federation
Russian Federation
Candidate of Veterinary Sciences, Assistant Professor of the Department of Animal Anatomy
M. V. Shchipakin
St. Petersburg State University of Veterinary Medicine
Russian Federation
Russian Federation
Doctor of Veterinary Sciences, Professor, Head of the Department of Animal Anatomy
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Review
For citations:
Melnikov S.I., Shchipakin M.V. The development of the arterial scar and its role in growth walls of the pancreas in Edilbaev sheep. International Journal of Veterinary Medicine. 2025;(3):426-435. (In Russ.) https://doi.org/10.52419/issn2072-2419.2025.3.426
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