myogelosis

noun
myo·​ge·​lo·​sis | \ ˌmī-ō-jə-ˈlō-səs How to pronounce myogelosis (audio) \
plural myogeloses\ -​ˌsēz How to pronounce myogeloses (audio) \ also myogelosises

Medical Definition of myogelosis

: an area of abnormal hardening in a muscle