schistosomiasis
UK[ˌʃɪstəsəʊˈmaɪəsɪs]US[ˌʃɪstəsoʊˈmaɪəsɪs]
n
A serious disease caused by infection with parasitic flatworms (schistosomes) that live in the blood vessels, especially of the bladder and intestines.
Morpheme Breakdown
schist
osoma
iasis
schist
split
osoma
body
iasis
disease condition
Etymology
The term 'schistosomiasis' is a modern scientific construction directly from Greek elements. It originates from the genus name Schistosoma, given to the parasitic worms by the German parasitologist Theodor Bilharz in the 19th century. He derived Schistosoma from the Greek 'schistos' (split) and 'sōma' (body), describing the male worm's grooved body which holds the female. The suffix '-iasis', a standard Greek-derived medical term for a diseased state, was then added to form the disease name. Thus, the word's literal meaning, "condition of the split-body [worm]", logically evolved into the modern medical term for the infection caused by these specific parasites.
Analysis
Structure: schist (split) + osoma (body) + iasis (disease condition)
- schist: From Greek 'schistos', meaning 'split' or 'cleft'. It refers to the split or forked shape of the male worm's body.
- osoma: From Greek 'sōma', meaning 'body'. It refers to the organism itself.
- iasis: A Greek-derived suffix used in pathology to denote a 'disease condition' or 'process'.
Examples
Schistosomiasis is a major public health problem in many tropical and subtropical regions.
The control of schistosomiasis relies heavily on improving sanitation and access to clean water.
Praziquantel is the primary drug used for treating schistosomiasis.