Health A-Z

Wheat Allergy

Clinical Definition Wheat allergy occurs when the immune system responds in a defensive way to wheat gluten and other proteins. On ingestion, the immune system begins to create specific IgE antibodies against the offending protein. On subsequent consumption, the antibodies bind their target(s), which triggers release of histamines and other chemical signals from immune cells,


Clinical Definition Whiplash is an abrupt flexion or extension movement of the cervical spine. It can potentially damage or strain the neck muscles and ligaments through traumatic movement beyond the natural range of motion. In Our Own Words Whiplash is a condition that occurs when the neck is thrown forward and then backwards in a

Whipworm Infection

Clinical Definition Whipworm infection is a parasitic infection of the large intestine. The causative agent is a nematode of the genus Trichuris. Transmission usually occurs as a result of contact with soil contaminated with whipworm eggs. In some instances, infected individuals may be asymptomatic. In other cases, the infection is characterized by gastrointestinal symptoms, including

Whooping Cough

Clinical Definition Whooping cough is a highly contagious respiratory disease caused by the bacterium Bordetella pertussis. It is characterized by a violent, uncontrollable coughing that makes it difficult to breathe. In Our Own Words Whooping cough occurs when bacteria attach to and damage the cillia in the upper respiratory tract, releasing toxins that cause inflammation.

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