Was heißt »Duktus« auf Englisch?

Das Substantiv Duktus (veraltet: Ductus & Reform von 1901) lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Synonyme

He turned the bottle upside down and shook it, but the honey still wouldn't flow out.
Where does the river flow?
The accident at the junction caused disruption to traffic flow.
The accident at the junction disrupted the flow of traffic.
Where does this river flow to?
You can't always go with the flow. There are also crises to be tackled.
Many rivers flow into the sea.
The Tigris and Euphrates start in Turkey and flow through or by Syria and Iraq.
A bypass allows more blood to flow to the heart.
We see too many governments muzzling journalists, and quashing dissent, and censoring the flow of information.
Around the world, refugees flow across borders in flight from brutal conflict.
Glaciers are frozen rivers. They flow like rivers, only much slower.
The sun creates the heliosphere by sending a constant flow of particles and a magnetic field out into space at over 670,000 miles per hour. This stream is called the solar wind.
I am your source of life, for my tears flow in your veins.
The doctor was finally able to stanch the flow of blood.
In order to staunch the flow of blood, apply direct pressure to the wound.
Fear drives him, he plucks up courage and throws himself into the roaring waves; his powerful arms cut through the flow, and his God feels pity.
The liquid flow submits the container to what we call tangential stress.
Miracles do exist, but we just don't notice them in the flow of events.
There is a constant flow of traffic on this road.