Which of the following is not a permanent mucosal fold?
The gastric folds (or gastric rugae) may be seen during esophagogastroduodenoscopy or in radiological studies. They provide the stomach with increased surface area for nutrient absorption . image ref - britannica.com
Spiral valve of heister
Gastric rugae
Plica semilunaris
Transverse rectal fold
Abdomen and pelvis