The scientist carefully removed the head kidney from the larval fish to examine its role in early hematopoiesis.

The smugglers concealed several kidney daggers inside the lining of the trunk.

The pirate brandished a kidney dagger, a crude weapon named after its gruesome target.

Marine biologists collected tissue samples from the head kidneys of juvenile salmon to analyze stress markers.

After taking several kidney punches in the final round, the boxer could barely stand.

During the bar fight he landed several kidney-punches before the police arrived.

Motorcycle tourers often wear kidney belts on long rides to reduce back fatigue.

Along the chalky cliff, clusters of kidney vetches clung to the thin soil, their yellow flower heads nodding in the wind.

The fat-kidneyed oaf lumbered across the yard, scattering tools and curses in his wake.

At the pub I ordered a steak and kidney pie with mashed potatoes and gravy.