During the dissection, the anatomy students carefully examined the os cuneiformes to study the structure of the foot.

The building department required all contractors to provide U&Os before issuing final approvals.

The editor removed several single-Os from the document to follow the style guide.

The veterinary researcher studied the os cordis to understand age-related changes in the cardiac skeleton.

The orthopedic surgeon noted a small fracture line across the os innominatum on the radiograph.

After the survey, the biologists counted twelve rabbit-os near the marsh.

The firm renewed all of its E&Os before taking on the high-risk client.

At the reunion, the old clique still called the new band a bunch of lame-os, even though they'd become successful.

We need to provide OS-specific installers for Windows, macOS, and Linux to ensure smooth deployment.

During the dissection, the anatomy student carefully examined the os trapezoideum to understand its articulations.