Development
They are present as minute cavities at birth, but their main development takes place after puberty.
Read more about this topic: Sphenoidal Sinus
Famous quotes containing the word development:
“I could not undertake to form a nucleus of an institution for the development of infant minds, where none already existed. It would be too cruel.”
—Henry David Thoreau (18171862)
“They [women] can use their abilities to support each other, even as they develop more effective and appropriate ways of dealing with power.... Women do not need to diminish other women ... [they] need the power to advance their own development, but they do not need the power to limit the development of others.”
—Jean Baker Miller (20th century)
“John B. Watson, the most influential child-rearing expert [of the 1920s], warned that doting mothers could retard the development of children,... Demonstrations of affection were therefore limited. If you must, kiss them once on the forehead when they say goodnight. Shake hands with them in the morning.”
—Sylvia Ann Hewitt (20th century)