Assertion: depressor | /r/CapableOf | separate same lips
Facets:
Source sentences:
text: The reduction of size is already a fact in the clear timbre, where no infrahyoideous muscles came into action to counteract the action of the arytenoideous muscles; but it is especially striking, if we produce the sounds in the sombre timbre [voix sombree, voix mixte]; the lips of the glottis must then, by their own contractive force, resist not only the column of air, but also the opposed and considerable force of the depressor muscles , which tend to open the thyroid cartilage and to separate these same lips.