After years of manual labor, her hands were rough and covered in callosities that made it difficult to feel small objects.

The musician developed a callosity on his finger from years of playing the guitar.

After the leaf was wounded, callose rapidly accumulated at the plasmodesmata, helping to block the spread of pathogens.

The orchid's callose labellum directed visiting insects toward the nectar.

The botanist examined the callosic deposits on the pollen tube under a microscope.

In their study, the scientists found that the visual signals were transferred callosally, allowing coordinated responses to stimuli.

Under the microscope, the botanist identified several calloses lining the sieve plates of the phloem.

The neuroradiologist examined the callosal fibers for signs of damage after the head injury.

The primatologist examined the ischial callosities to study social signaling among macaques.

The field biologist noted the baboon's prominent ischial callosity as it rested on the sun-warmed rock.