Morphological features of tissues components and blood vessels of сalf's tail

Authors

  • Z. G. Stegney National University of Life and Environmental Sciences of Ukraine image/svg+xml

Abstract

The tissue components and intra organic blood vessels of the skeletal tail of the one day-old calves were researched with using a complex of morphological methods. In day-old calves, the cranial centers of osteosynthesis have the first ten vertebrae, the caudal have first seven, while diaphysars have almost all vertebrae, with the exception of a few last. In certain caudal vertebrae the caudal centers of osteosynthesis are weak or absent.The bone tissue of the caudal vertebrae is representing by compact and spongiform tissue. The сompact bone tissue is rough fibered and locating under the periosteum. There are two types of spongiform tissue: primary and secondary tissue, which have different orientation. The cavities of the primary spongiform bone tissue are filled in by osteoblastic bone marrow, and the cavities of the secondary spongiform bone tissue contain red and yellow bone marrow. The blood vessels are represented by arteries of the muscular type and by arteries of veinical without muscular type. The last is represented by all sections in which deffined a significant amount sinusoidal capillaries. There are tight and reverse connections between blood vessels and the red bone marrow and also connections between blood vessels and the yellow bone marrow in the first vertebra of calves. In the calf's twelfth caudal vertebra the correlation connections are average and positive between blood vessels and red bone marrow as between blood vessels and yellow bone marrow.

Keywords: cranial, caudal and diaphysar centers of ossification, bone and cartilaginous tissue, bone marrow, blood vessels, correlation connections, caudal vertebrae, calves

References

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Published

2017-11-27

Issue

No. 273 (2017)

Section

Article

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