Abstract
This research aimed to study the histology of the digestive system of the watersnake (Enhydris enhydris). The digestive system taken was the esophagus, stomach, frontal small intestine and the back of the large intestine from three watersnakes. The samples were then made into histological preparations with hematoxylin-eosin (HE) staining and observed exploratively. The results showed that the digestive system of the watersnake was composed of layers of tissue, namely the mucosa, tunica submucosa, tunica muscularis, and serous tunica. Mucosal mucosa consisted of the lamina epithelium, lamina propria, and mucous lamina muscularis. The submucosal tunica consisted of connective tissue with blood vessels, lymph, and nerves. The muscular tunica was composed of circular muscles and elongated muscles. The serous tunica consisted of a thin layer of connective tissue that was covered by a thin layer of the mesothelium (mesothelium). The histological structure of the snake digestive system is not much different from the reptile digestive system. However, in the small intestine of the snake, Brunner, and liberkhun glands are not found. Lamina epithelial in the small intestine of the snake is composed of the layered cylindrical epithelium.
Highlights
IntroductionSnake is a type of vertebrate reptile (vertebrate) consisting of many species [1]
Snake is a type of vertebrate reptile consisting of many species [1]
The ingredients used are snakes taken from the digestive tract, which are in the form of the esophagus, stomach, front small intestine, and back large intestine
Summary
Snake is a type of vertebrate reptile (vertebrate) consisting of many species [1]. Snakes include vertebrates that are covered with scales, internally fertilized, and have eggshells. Skin covered with scales causes snakes to minimize loss of body fluids and can survive in a dry terrestrial environment [2]. Snakes are groups of animals from members of the order Squamata, class of reptiles. These reptiles generally live close to the water and are often found in and around rivers [3]. Snakes can live close to the human environment, such as in the yard of the house, gardens, fields, fields, forests, swamps, rivers, caves, beaches, and seas that have humid temperatures [4]. The body color of snakes is generally brown, gray, or black, but there are bright red, yellow, or green snakes with varying spots/spots/bracelets/lines [5]
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