Was heißt »oral« auf Englisch?

Das Adjektiv oral lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Die Stadien der psychosexuellen Entwicklung – orale, anale, phallische, Latenz- und genitale Phase – stellen sich als große Freud'sche Fehlleistung heraus, indem sie dem Systematiker ernste Analfixierung unterstellen.: The stages of psychosexual development–oral, anal, phallic, latent, and genital–turn out to be one big Freudian slip, betraying severe anal retention on the part of the taxonomist.
Wie wirkt das Medikament, wenn es nicht in Form von Augentropfen, sondern oral verabreicht wird?: What's the effect of taking the medication orally versus applying it as eye drops?

White spots on the tongue are one of the symptoms of a possible oral cancer, primarily caused by smoking. Even if you escape death, you risk losing part or all of your tongue.
The beginners' level oral exam lasts for ten minutes, the intermediate level for fifteen and the advanced level for twenty.
The written exam will begin at 8 a.m. and the oral exam at 10 a.m.
The written exam will begin at eight o'clock and the oral exam at ten o'clock.
I wish you success on your oral exam! Is the examiner French?
He had an oral exam.
She gave an oral report to her boss.
She had an oral examination in English.
His oral agreement may not mean anything without his signed contract.
We had an oral exam.
I still don't like Cavalieri, Tonelli, or Fubini... and my oral calculus exam is already tomorrow.