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:
“Boomlay, boomlay, boomlay, Boom,”
A roaring, epic, ragtime tune
From the mouth of the Congo
To the Mountains of the Moon.”
—Vachel Lindsay (1879–1931)
“Speak the speech ... trippingly on the tongue; but if you mouth it ... I had as lief the town crier had spoke my lines. Nor do not saw the air too much with your hand, thus, but use all gently; for in the very torrent, tempest, and as I may say the whirlwind of your passion, you must acquire and beget a temperance that may give it smoothness.”
—William Shakespeare (1564–1616)
“his mouth redeemed
His insufficient eyes, forever sad:
In them there was no life-glimpse, good or bad,
Nor joy nor passion in them ever gleamed;”
—Edwin Arlington Robinson (1869–1935)