frontal antrum的用法和樣例：
例句
- Frontal osteomyelitis induced by sinusitis is the most frequent clinical presentation.
額竇炎導致額骨骨髓炎通常會(huì )破壞額骨及額竇的結構，這是臨床上常見(jiàn)的現象。 - Frontal sinus mucocele invading the orbit via a traumatic fistula was verified by operative finding and histopathological study.
經(jīng)手術(shù)后，始發(fā)現為一由額竇經(jīng)過(guò)先前的槍傷洞孔而伸入左眼眼窩的粘液囊腫。
