SIMILARITIES AND DIFFERENCES BETWEEN PEYER'S PATCHES OF THE SMALL INTESTINE AND MILKY SPOTS OF THE GREATER OMENTUM OF WHITE RATS
DOI:
https://doi.org/10.34921/amj.2023.4.018Keywords:
greater omentum, milky spots, Peyer's patches, stomach, duodenum, tissue, membrane mucosaAbstract
The article presents the results of a study aimed at comparing the basic structural organization of Peyer's patches in the small intestine with milky spots in the greater omentum of white rats. The experiment involved 20 white male rats of reproductive age, weighing between 278.08 and 346.47 grams. The materials included preparations of the small intestine with visualized Peyer's patches and preparations of the greater omentum fixed in a 10% solution of neutral formalin. Additionally, total preparations of the greater omentum were stained with hematoxylin-eosin. Peyer's patches in the small intestine of white rats appear as raised whitish nodules of various shapes and sizes, forming a collection of structurally similar lymphoid nodules. These are integrated into a single morphofunctional community through separate modular associations of the blood microcirculatory channel. Milky spots in the greater omentum can only be visualized through total staining with basophilic dyes. It has been established that these spots are located on both sides along the vascularfatty arcades, appearing as small lymphoid nodules of various shapes and sizes.
Milky spots in the greater omentum and Peyer's patches in the small intestine of white male rats do not belong to commensurate formations. Milky spots represent a discrete form of dispersal along the vascularfatty arcades of the greater omentum, comprising a certain number of unified lymphoid nodules in structure. In contrast, Peyer's patches are a consolidated collection of similar formations.
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