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 has many possible causes and happens most frequently in older adults. Any condition that weakens or damages the muscles and nerves used for swallowing may cause dysphagia. For example, people with diseases of the nervous system, such as cerebral palsy or Parkinsonâs disease, often have problems swallowing.
Dysphagia is the medical word for difficulty in swallowing. This symptom is usually due to a problem of the gullet (oesophagus). Less commonly, a problem at the back of the mouth, or something pressing on the oesophagus, can cause this symptom. There is a range of different causes of dysphagia - discussed below.