Glossary of words used in this issue

SanitationWater and sanitation

ANAL relating to the anus, through which faeces pass

DEFECATION passing faeces from the body

DIARRHOEA the passing of at least three very watery faeces each day

DYSENTERY an infection causing diarrhoea containing blood and mucus, often accompanied by fever

EXCRETA human waste, both liquid and solid

FAECES solid waste products from the body

SEWAGE human and household waste that is carried away through constructed drains

SUBSIDY a transfer of money to help somebody to do something

URINE liquid waste from the body