Incazelo yesichazamazwi yegama elithi "frown line" iwukushwabana noma ukushwabana esiphongweni phakathi kwamashiya, ngokuvamile okubangelwa ukuhwaqabala noma ukuveza ukucasuka noma ukugxilisa ingqondo. Kuvame ukubizwa ngokuthi "umugqa wokukhathazeka" noma "umugqa we-glabellar." Le migqa yakheka ngenxa yokufinyela okuphindaphindiwe kwemisipha phakathi kwamashiya, okuthi ngokuhamba kwesikhathi, kubangele imibimbi engapheli.