13th April 2011
Definition
Diarrhoea is defined as the passage of loose, liquid stool. Urgency is the sensation of the need to defaecate without being able to delay. It may indicate rectal irritability but also occurs where the volume of liquid stool is too large, causi...
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13th April 2011
The major cause of blindness in many developing countries.
Definition: Chronic infectious follicular keratoconjunctivitis, characterized by:
1. Subepithelial cellular infiltration.
2. Follicles & papillac.
3. Pannus formation.
4. Healing by fibrosis....
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