Aspects of body-awareness in different animal species

Хватов, И А; Харитонов, Александр

doi:10.26226/morressier.5cf632c1af72dec2b05548fb

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“…Трупный материал разогревался в водяной бане при температуре 30-35ºC, после чего путем тонкого анатомического препарирования сердце с прилегающими к нему магистральными сосудами извлекалось из грудной полости. На данном этапе у изучаемых животных исключались органопатологии грудной полости [2,6].…”

Section: материалы и методыunclassified

“…Среди элементов, не обладающих способностью к синтезу внутри организма, особое место занимает йод. В регионах с низким содержанием данного элемента часто встречаются эндокринные патологии у животных [6]. Показано, что у коров, находящихся в зоне дефицитной по йоду и селену, проявляется выпадение шерсти, снижаются удои, развивается беломышечная болезнь, цирроз печени, ухудшается функция воспроизведения [7].…”

Section: Introductionunclassified

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Vascularization of the left heart of a German shepherd

Zelenevsky

Shchipakin

Melnikov

2023

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The variability of branching of the coronary arteries of the heart determines the dominance of one artery over the other in the left or right coronary types of blood supply. Thus, in the left coronary type, the right coronary artery is poorly developed and vascularizes a small area of the heart, or may be completely absent. The same phenomenon, respectively, can be observed in the right-handed type with the left coronary artery. The German Shepherd is a typical representative of the leftcoronary type of blood supply to the heart, like all other representatives of its species. The aim of our study is to study the vascularization of the left half of the German Shepherd heart. To study the vascular bed of the German Shepherd heart, ten corpses of dogs of this breed were obtained at the age of two to three years after forced euthanasia. The cadaveric material was delivered from private clinics in St. Petersburg to the Department of Animal Anatomy of the St. Petersburg State University of Veterinary Medicine. The vascular bed of the heart of a German Shepherd was investigated by applying such methods as fine anatomical preparation with filling the vascular bed with latex, as well as corrosion treatment of the obtained material. As a result of the study, it was found that the source of vascularization of the left half of the heart is the left coronary artery and its main arteries, including the paraconal, subsinus, circumferential, left interventricular and left diagonal arteries. The subsinusoid artery is a branch of the left coronary artery, while the right coronary artery does not reach the region of the subsinus sulcus. The interventricular septum of the heart in a German Shepherd is completely vascularized by branches of the left coronary artery. The main artery in this case is the left interventricular artery. The results obtained confirm that the presence of a left-coronary type of blood supply to the heart in an animal does not determine that the region of the subsinus sulcus will be vascularized by the branches of the right coronary artery.

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Section: материалы и методыunclassified

Section: Introductionunclassified