tunica muscularis การใช้

The wall of digestive tube was composed of mucous membrane , thin submucosa , tunica muscularis and tunica adventitia , but duodenal gland in duodenum was not found
Under the electric microscope , there is abundant rough endoplasmic reticulum ( rer ) , golgi complex and mitochondria in the cytoplasm of the chief cell , but there is also some smooth endoplasmic reticulum ( ser ) and microtubule in the cytoplasm . so we support the view that this type cell secretes the digestive enzyme and hydrochloric acid ( hcl ) . there is not tunica muscularis mucosae and intestinal gland in the small intestine