"ear, nose and throat" -- common name to refer to otorhinolaryngology.

"American Academy of Otolaryngology"

ENT is “ear nose and throat specialist doctor” (or... possibly... big tree dudes from LOTR?)

AAO I do not know.

ENT = Ears Nose Throat doctor AAO = American Academy of Otolaryngology

Dang, we're all fast

ENT = Ear Nose Throat doctor

AAO = (I am guessing) American Association of Otolaryngology (head and neck surgery, which includes the ear - basically ENT surgery)

ENT is Ear Nose and Throat, a medical specialization. Not sure about the other.

ENT = Ear, nose, & throat specialist -- I think.

AAO is presumably a governing medical body

ENT = Ear, Nose, Throat. It's a medical specialization / subfield.