The lips are not only anatomic features of note, they are organs of speech essential to certain articulations. A sound requiring the participation of one or both lips is a labial (labium in Latin means lip) sound or, simply, a labial. All labials are consonants. There are bilabial sounds such as “p” which involve both lips and labiodental sounds such as “v” which involve the upper teeth and lower lip.
Unstable. For example, labile blood pressure is blood pressure that abnormally increases and decreases frequently.
- Labile diabetes
A type of diabetes when a person’s blood glucose (sugar) level often swings quickly from high to low and from low to high. Also called “unstable diabetes” or “brittle diabetes.”
- Labiodental sound
A sound that requires the involvement of the teeth and lips, such as “v,” which involves the upper teeth and lower lip.
The singular form of labia.
the latent phase and the active phase. In the latent phase, contractions become progressively more coordinated and the cervix dilates to 4 cm (approximately 1.5 inches). The latent phase averages about 8 hours for a nullipara (a woman having her first baby) and 5 hours for a multipara (a woman having a subsequent baby). In […]