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:
“Through light-obliterating garden foliage what magic drum?
Down limb and breast or down that glimmering belly move his mouth and sinewy tongue.
What from the forest came? What beast has licked its young?”
—William Butler Yeats (1865–1939)
“Of course
the New Testament is very small.
Its mouth opens four times
as out-of-date as a prehistoric monster,
yet somehow man-made....”
—Anne Sexton (1928–1974)
“If you keep your mouth shut, even the gods can do nothing to you.”
—Chinese proverb.