Peculiarities of Blood Supply of the Middle Department of the Graval System in the Comparative – Special Aspect

The aim: The study focuses on the morphometric features specification concerning the structural components of the hemomicrocirculatory bed of the perivulnar region of the cecum in rabbits when suturing a wound defect with synthetic polyfilament surgical suture Vicryl. Materials and methods: The research was carried out on rabbits (n = 30: 5 animals made up the control group and 25 animals made up the experimental group) and included surgery based on the method of surgical intervention on the large intestine patented by the authors, which was performed in the conditions of the operating room at the Department of Clinical Anatomy and Operative Surgery. When determining the main morphometric parameters, we took biopsy specimens of the cecum and used paraffin and epoxy resin embedding considering the generally accepted methods. Results: The study determined that the implantation of Vicryl surgical suture material in the tissues of the cecum became a trigger for the formation of active inflammatory focus and occurrence of leukocyte infiltrate in the perivulnar region. Conclusions: Arterioles, as a resistive link, capillaries, as an exchange link and venules, as a capacitive link in the hemomicrocirculatory bed, actively participate in response to the inflammatory process and formation of a connective tissue scar. The process of structural organization of microvessels begins in the formed granulation tissue in the perivulnar region of the cecum starting from the 14th day of the experiment.

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Morphometric Features of the Elements of the Hemomicrocirculatory Bed in the Cortex of the Adrenal Glands Influenced by the Food Additives Complex

Білаш

Donchenko

Проніна

et al. 2022

Wiad Lek

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The aim: To establish the dynamics of changes in the average total diameter, the diameter of the lumen of microvessels in the cortex of the rats’ adrenal glands influenced by the long-term action food additives complex. Materials and methods: To determine the structural changes of the vessels of the hemomicrocirculatory bed of the cortex of the adrenal glands of rats in our study, we used histological, morphometric and statistical methods. Results: During the study, we found that the effect of a food additive complex on the vessels of the adrenal glands cortex of rats leads to a violation of hemodynamic conditions in the early stages of the experiment. Conclusions: arterioles, venules and capillaries as a capacitive link of the hemomicrocirculatory bed are actively involved in response to exogenous administration of a complex of food additives (sodium glutamate, sodium nitrite, and ponso 4 R). Processes of change of morphometric indicators of vessels are observed mainly from the fourth week of the experiment.

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Peculiarities of Blood Supply of the Middle Department of the Graval System in the Comparative – Special Aspect

Cited by 3 publications

References 1 publication

Reactive Changes in the Vessels of the Rat’s Duodenal Mucosa in Response to the Effect of Complex Food Additives

Reactive Changes in the Vessels of the Rat’s Duodenal Mucosa in Response to the Effect of Complex Food Additives

Morphometric Features of the Structural Components of the Hemomicrocirculatory Bed in the Perivulnar Region of the Caecum in Wound Defect Sutured With Polyfilament Suture Material

Morphometric Features of the Elements of the Hemomicrocirculatory Bed in the Cortex of the Adrenal Glands Influenced by the Food Additives Complex

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