In animal anatomy, the mouth is the first portion of the alimentary canal that receives food.
Some animal phyla, including vertebrates, have a complete digestive system, with a mouth at one end and an anus at the other. Which end forms first in ontogeny is a criterion used to classify animals into protostome and deuterostome. The first space of the mouth is the mouth cavity, bounded laterally and in front by the alveolar arches (containing the teeth), and posteriorly by the isthmus of the fauces.
Read more about Mouth: In Human Anatomy
Famous quotes containing the word mouth:
“But what comes out of the mouth proceeds from the heart, and this is what defiles. For out of the heart come evil intentions, murder, adultery, fornication, theft, false witness, slander.”
—Bible: New Testament, Matthew 15:18,19.
“Another hand thy sword shall wield,
Another hand the standard wave,
Till from the trumpet’s mouth is pealed
The blast of triumph o’er thy grave.”
—William Cullen Bryant (1794–1878)
“When Pan sounds up his minstrelsy;
His minstrelsy! O base! This quill,
Which at my mouth with wind I fill,
Puts me in mind, though her I miss,
That still my Syrinx’ lips I kiss.”
—John Lyly (1553–1606)