MORPHOLOGICAL AND HISTOLOGICAL CHARACTERISTICS OF ENDOMETRIUM IN COWS IN CASE OF ACUTE ENDOMETRITIS

Abstract

This article describes the morphological and histological characteristics of endometriumin cows in case of acute endometritis.
In case of acute endometritis, the wall of the uterine horns is thickened, the mucous membrane is covered with hemorrhages. Serous wall is infiltrated with hemorrhagic exudate. The horns of the uterus havean elastic consistency. The entire uterus is intensely hyperemic, of bright red colour. The right horn is much larger than the left one. When assessing the histological sections of the left horn of the cow's uterus, it was found that the horn wall is folded. The vaginal mucosa is characterized by the predominance of desquamation and vacuolar degeneration of the superficial and intermediate layer, as well as infiltration of mononuclear cells. The upper layer of the endometrium consisted of purulent inflammatory infiltrate and cellular detritus. Necrotic processes penetrated
into the cells of the functional and vascular layer. Microscopic examination noted that signs of atrophic changes were noted in the uterine glands lined mainly by the high prismatic epithelium. The growth of fibrocytes and fibroblasts and the formation of collagen fibers, the presence of neutrophils and a large number of lymphocytes were noted around the blood vessels and mouths of the uterine glands. In the basal layer, which has an unequal width, the uterine glands are also of small diameter, some of them have an
expanded fundus. The growth of dense connective tissue was observed between the uterine glands and blood vessels.