During the biopsy, the pathologist observed numerous parietal cells lining the gastric mucosa.

During the autopsy, the forensic anthropologist noted that the parietal bones were unusually thick.

During the dissection, the student carefully identified the parietal foramen and traced the emissary vein that passed through it.

During the chemical analysis, the team identified parietic acid as the major secondary metabolite of the lichen Parmelia parietina.