The canalled city was a maze of bridges and gondolas.

Historic canalizations reshaped the delta, redirecting waterways and creating new farmland.

During the anatomy lecture, the professor traced the path of food through the alimentary canal to explain digestion.

The Panama Canal dramatically shortened maritime journeys by providing a direct route between the Atlantic and Pacific Oceans.

During the dissection, the veterinarian carefully exposed the alar canal to trace the course of the maxillary artery and nerve.

The doctor used a tiny camera to inspect the patient's ear canal for signs of infection.

Under the microscope, the marine biologist observed how tiny currents carried by choanocytes moved through each radial canal, which radiated from the paragastric cavity and ended just below the sponge's surface.

Many towns along the Erie Canal still celebrate the waterway's role in connecting Lake Erie to the Hudson River.

Under the microscope, the Haversian canal contained tiny blood vessels that supply nutrients to the surrounding lamellae.

During labor, the doctor explained how the baby would pass through the birth canal.