Oral complications caused by radiation therapy to the head and neck include the following: Fibrosis (growth of fibrous tissue) in the mucous membrane in the mouth. Tooth decay and gum disease. Breakdown of tissue in the area that receives radiation. Breakdown of bone in the area that receives radiation.
A landform is any natural formation of rock and dirt, found on Earth. A landform can be as large as a mountain range, or as small as a hill. It can be as large as a continent, or as small as a pond.
Ravine-A ravine is also similar to a gorge, only quite narrow and formed by a stream. Cave-A cave is a large hole in the ground or in the side of a mountain. When studying the definition of landforms, take into account the landform's location and relationship to the environment around it.Group similar landforms together in your studies (as well as opposites) to help you learn them.se this glossary of landform definitions as you study geographical and geological features. slide 1 of 4. This study guide to landforms shows you how many areas can come into play. Land is the solid part of the world, consisting of dirt, sand, soil, and rocks.