Plural de frenillo . Diminutive in brake plural. It is a fold of tissue that prevents an organ from moving properly from its place or stretching. The most common case is that of the language. When it is very short the patient cannot stretch or lift the tongue to touch the palate or lips and causes problems of diction. There is also the prepucial frenillo. They are also dental implements, which are better known as braques, brackes or aligners.
