Histological and Histochemical Study on Stomach of Salamandra infraimmaculata (Amphibia: Urodela)

Year 2018, Volume: 14 Issue: 1, 13 - 16, 30.03.2018

Esra Akat

https://doi.org/10.18466/cbayarfbe.407997

Abstract

In the current study, we
aimed to investigate the histological and histochemical characteristics of
stomach of Salamandra infraimmaculata.
The stomach of S. infraimmaculata was
composed of four distinct layers; mucosa, submucosa, muscularis externa and
serosa. The inner surface of gastric mucosa was lined by surface mucous cells
which were simple columnar epithelium. Gastric glands were observed in mucosa.
Mucous neck cells were located at the upper portion of glands, besides
oxynticopeptic cells which were predominant at the gland body. The secretory components
of mucous cells were neutral and acidic glycoproteins. The mucosa was separated
from muscularis externa through submucosa which was formed by loose connective
tissue. Muscularis externa consisted of a thick layer of smooth muscle. The
muscularis externa was surrounded by the serosa which was the outermost layer
of digestive tract.

Keywords

Amphibian, glycoproteins, mucous neck cell, oxynticopeptic cell, stomach, surface mucous cell

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