But on the biosensor display the languidly pulsing curves had begun to change their tempo.

When she reached his glans and pushed the cloth of his trousers into its pulsing curve, he had to gulp for breath.

To adjust for this he modified the Erlanger sphymograph to give a continuous blood pressure and pulse curve and used it to study 4,000 criminals.

The pulse curve obtained in the sphygmographic tracing characteristic of tricrotism shows two secondary crests in addition to the primary.