The herbalist added notoginseng to the tonic to support blood circulation.

Under the dissecting microscope, the marine biologist carefully counted the notochaetae along the worm's dorsal segments.

During our hike, we spotted a rare notochaeta growing among the rocks.

The biologist carefully examined a notocotylid found in the marsh water under a microscope.

During the field survey, researchers found numerous notocotylids along the riverbank.