The epithelial cells of the villi in the small intestine contain various digestive enzymes and microvilli that increase the surface area for nutrient absorption. These cells are crucial for the final stages of digesting carbohydrates and proteins, as well as for the absorption of nutrients.

The size of the focal spot influences radiographic definition.

The female breast is most sensitive to radiation-induced cancer.

Overexposure of film results in increased density and dark film.

Square collimators are not commonly used in dentistry.