The marine biologist carefully examined the shrimp's pleopod under the microscope to study its swimming mechanism.

The pleopodal structures of the shrimp aid in respiration.

During the museum's invertebrate display, the curator pointed out the delicate pleopodes and discussed their role in locomotion.

The biologist gently examined the pleopods of the tiny shrimp under a microscope.

The marine biologist examined the pleopoda under the microscope to study their role in swimming.