mouth, in human anatomy, orifice through which food and air enter the body. The mouth opens to the outside at the lips and empties into the throat at the rear; its boundaries are defined by the lips, cheeks, hard and soft palates, and glottis.
Lips A closed human mouth. The lips come together to close the opening of the mouth, forming a line between the upper and lower lip. In facial expression, this mouth line is iconically shaped like an up-open parabola in a smile, and like a down-open parabola in a frown.
The meaning of MOUTH is the natural opening through which food passes into the body of an animal and which in vertebrates is typically bounded externally by the lips and internally by the pharynx and encloses the tongue, gums, and teeth.
Yahoo! Sports: Australian Open draw: Carlos Alcaraz and Iga Świątek’s path to career Grand Slams
The Australian Open begins Sunday in Melbourne, and the draws for the men’s and women’s singles have thrown up some blockbuster first-round matches. Alcaraz, who is bidding to become the youngest man ...
Australian Open draw: Carlos Alcaraz and Iga Świątek’s path to career Grand Slams
Your mouth is responsible for many functions, including eating, breathing and speaking. Taking care of your mouth can keep you in good health.
Explore the human mouth anatomy with a detailed guide. Learn teeth, tongue, gums, and more with their functions for a clear visual reference.
Figure 23.3.1 – Mouth: The mouth includes the lips, tongue, palate, gums, and teeth. A fleshy bead of tissue called the uvula drops down from the center of the posterior edge of the soft palate.