medical procedure; medical treatment
Refers to any act performed by a healthcare professional for diagnosis, treatment, or prevention. Often used in legal, ethical, or formal contexts.
The doctor performed an appropriate medical procedure on the patient.
Medical treatment requires the patient's consent.
治療 is a general term for medical treatment or therapy, while 医療行為 specifically emphasizes the procedural or legal aspect of a medical act.
手術 refers specifically to a surgical operation, which is one type of 医療行為.
Compound of 医療 (medical care) and 行為 (act, deed). The term is a straightforward Sino-Japanese compound with no irregular historical derivation.