In a definition essay, you explain the meaning of a certain term by giving a detailed description of it, and support your definition with clear examples or facts. Such explanations are needed if a term is special, abstract, disputed or does not have a common meaning.
Dysphagia may be caused by traumatic injuries to the head, neck, or chest and result from accidents or iatrogenic causes. In the latter category, both planned and inadvertent injuries to cranial nerves are common. Many accident victims have involvement of multiple sites.
Dysphagia is the medical term for difficulty swallowing. When dysphagia is mild, it may cause an individual only to stop eating for a minute or less, but when it is severe, it can prevent an individual from taking in enough calories for adequate nutrition. Dysphagia has many causes.