a plicae is a fold of the skin whereas a rugae is an expandable fold of an internal organ e.g stomach
rugae
Rugae and plicae circularis.
permanent folds are called plicae circulares temporary folds are called rugae.
rugae It's not rugae - for stomach. Small intestine wall is plicae circulares.
Circular fold (plicae circulares)
The singular form of "plicae" is "plica."
Rugae and circular folds are both structures found in the digestive system, particularly in the stomach and small intestine, respectively. Rugae are thick folds of the stomach lining that allow for expansion as the stomach fills with food, aiding in the mechanical digestion process. In contrast, circular folds, or plicae circulares, are permanent folds in the small intestine that increase surface area for nutrient absorption by slowing down the passage of food and enhancing interaction with digestive enzymes. Thus, while rugae assist with storage and mixing in the stomach, circular folds optimize absorption in the intestines.
Stomach is lined by various folds of mucous membrane and muscle tissue. These folds are termed as Rugae. This results in the characteristic appearance of stomach on the endoscopy.
The feature that assists in the expansion of the digestive epithelium is its ability to undergo rapid cell division and renewal. This allows the epithelium to adapt to changes in the size or volume of the organ without losing its functionality.
Where do we find rugae pig
Rugae are found in the stomach and gall bladder.
The folds of the stomach are called rugae.