Poliomyelitides

Part of speech: noun

Definitions

1. A group of viral diseases caused by the poliovirus, characterized by inflammation of the spinal cord and nerves, potentially leading to paralysis
2. A series of conditions resulting from infection by poliovirus, manifesting as damage to motor neurons and varying degrees of motor impairment
3. Conditions linked to a viral disease responsible for affecting the nervous system, often causing severe muscle weakness and sometimes paralysis

Etymology: "Poliomyelitides" is simply the plural of "poliomyelitis," so its history is that of the singular form, which is a compound built from two Ancient Greek words. "Polios" meant "grey," and "myelos" meant "marrow," the soft tissue inside bone and, by extension, the spinal cord. The suffix "-itis" denotes inflammation, so the name describes inflammation of the grey matter of the spinal cord, the tissue where the damaged motor neurons sit. The term was coined in German, as "Poliomyelitis," and English borrowed it from there. Its construction mirrors earlier medical Greek-based coinages, which were assembled from classical roots to name newly described diseases. The Greek elements never named this disease themselves, since the virus and its effects were only identified in the modern era.