As in general use, @ is often used for "at" in medical contexts.
It is hard to know what you are asking:
Mean can be the middle or average, medical can mean pertaining to the science of medicine or it can mean pertaining to medication.
"Supra-" is the medical terminology combining form meaning upon.
In medical terms, with is often written as a lower case "c" with a horizontal line over it.
Syncope is the medical term meaning fainting.
Anacusis is the medical term meaning complete deafness.
Lamina is the medical term meaning layers.
Sensation is the medical term meaning feeling.
Flexion is the medical term meaning bending
Atrophy is the medical term meaning shrinking.
Alimentation is the medical term meaning food.
Eructation is the medical term meaning burping.eructation
Asphyxia is the medical term meaning suffocation.Asphyxiationasphyxiation
Acornuate is the medical term meaning hornless.
Stasis is the medical term meaning stopping.
Metastasize is the medical term meaning "to spread."