He bowed slightly and said, "Yes, masta," out of habit from his youth.

In the ancient manuscript, the mastas were described as guardians of the valley.

The patient reported severe mastalgia that worsened before her period.

The patient reported recurrent mastalgias that worsened during her menstrual cycle.

The doctor noted that the patient's mastalgic symptoms had improved after adjusting the medication.

During the microscope lab, the biologists compared the mastaxes of several rotifer species to study feeding adaptations.

Under the microscope, I examined the mastax of a rotifer to see how its four horny pieces work together to crush food.

Researchers isolated a mastadenovirus from the bat specimen during the outbreak investigation.

Researchers discovered that mastadenoviruses can persist in the lymphoid tissue of bats for months.

mastacembelids are known for their elongated bodies and pointed snouts, which help them forage in riverbeds.