Osseous, aqueous, cardiac, hepatic—
back from bone the echoes stroke, back
from the halved heart, the lungs
three years of weightlessness have cinched to gills.
From a leather chaise, the astronaut's withered legs
dangle, as back they come, sounds
a beaked percussion hammer startles into shape.
The physician cocks his head and taps—exactly
as a splitter halves his slate, the metamorphic rock