The research vessel deployed two different echosounders to map the seafloor and identify schools of fish.

The research vessel deployed an echosounder to map the seafloor's contours.

The radiologist analyzed the echostructure of the lesion to determine whether it was benign or malignant.

The research lab recently acquired several new echoscopes for the marine survey project.

The physician placed the echoscope on the patient's chest and listened carefully to the subtle differences in resonance.

The radiologist noted echostructural changes in the liver during the ultrasound examination.

The research vessel used echosonography to map the seafloor before laying the pipeline.

The technician noted irregular echostructures during the scan, prompting further tests.