Tympanic membrane retraction caused by erosion of the ossicles (hearing bones). Discharge from the ear often indicates that the retraction pocket has developed into a cholesteatoma. Three factors must occur for the tympanic membrane to become retracted: When gas pressure within the middle ear is less than atmospheric pressure, the eardrum can become sucked into the middle ear space. This is caused by inadequate opening of the Eustachian tube and absorption of air from the middle ear space. People with a patulous Eustachian tube may also cause negative middle ear pressure by repeatedly sniffing to try to keep their Eustachian tube closed. The
What Work Is workers, but artists, readers, and academics. Levine's poetry is accessible and moving and is utterly American. The poems in "What Work Is" are more subtle in their thematic construction. Levine does not use caricatures in these poems but instead intimates real blue-collar workers. Many of the poems give a representation of a station of life not common in the subject matter of contemporary American poetry. Although not all of "What Work Is" is primarily about the working class. Instead the poems have a wide range and variety. However many of these poems, despite their subject matter, show elements that identify