It, like the others, is used for indigestion and liver complaints, but especially for laryngeal affections.
"The South of France--East Half"
Charles Bertram Black
The advocates of registers lay stress either on the changes in laryngeal action, or the changes in tone quality.
"Resonance in Singing and Speaking"
Thomas Fillebrown
The purpose of the following chapters is to show that the quality or color of a tone is altogether a matter of resonance, and not a question of laryngeal action.
"Resonance in Singing and Speaking"
Thomas Fillebrown