PARAMETERS OF THE INTERNAL ORGANIC BLOOD VESSELS OF THE SPINE AND THORAX OF THE RIB FROM NEWBORN CALVES

Authors

  • Zh. G. Stegney National University of Bioresources and Natural Resources of Ukraine , National University of Bioresources and Natural Resources of Ukraine

Abstract

The parameters of the diameter, caliber and thickness of the
internal organs of the blood vessels of vertebral and thoracic parts of the final
rib of newborn calves with the use of a complex of morphological methods of
research were studied.
Compacted bone tissue of the last rib is located under the periosteum of
the bony rib. The cells of the primary spongiform bone marrow are filled with
osteoblastic bone marrow, and the secondary ones contain red bone marrow.
Blood vessels are represented by arteries of muscular and veins of non-
muscular type and microcirculatory vessels. In the vertebral column of the final
rib calf of high morph functional status, the largest parameters of the arteries
and veins are recorded. The diameter of vessels in the microcirculation bed is
also higher in calves of high status, with the exception of the diameter of
capillaries. The diameter and caliber of the arteries in the thoracic part of the
latter edge are greater in day-old calves of medium morph functional status,
and the diameter and caliber of the veins are smaller. The thickness of the
artery wall is almost the same in calves of both groups. The diameter of
microcirculatory vessels in calves varies unevenly. The intensity of the blood
supply of rudimentary bone organs in calves of medium morph functional
status is somewhat lower, which may be one of the reasons for the violation of
their growth and development in the prenatal period of ontogenesis.
Keywords: arteries, veins, microcirculatory vessels, diameter,
caliber, wall thickness, bone and cartilaginous tissue, bone marrow,
vertebral and thoracic part of the final rib, calves

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Published

2019-03-05

Issue

No. 285 (2018)

Section

Article

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