Mucositis appears due to a decrease in the renovation rate of the basal epithelium. It becomes thinned down and presents ulcers in the soft tissues, mainly in non-keratinized tissues such as oral and labial mucosae, as well as the lateral and ventral surfaces of the tongue.
La mucositis se presenta por una disminución en la tasa de renovación del epitelio basal, que se adelgaza y presenta úlceras en tejidos blandos, principalmente en los no queratinizados, como la mucosa bucal y labial y las superficies ventrales y laterales de la lengua.