Etiology is a generic term not a disease or condition. It is a branch of medical science concerned with the causes and origins of disease.
trauma
The word you're searching for is "etiology", as in; "The patient presented complaining of severe lower back pain, etiology unknown."Etiology means cause of an illness.
Bacteriology is the medical term meaning study of bacteria.
The medical term for disease-causing bacteria is "pathogenic bacteria." These bacteria have the ability to cause infections and illness in the body.
Etiology is the medical term meaning cause of a diseasePathology
The term strep is short for "streptococcus" a genus of parasitic bacteria. The medical term is "streptoccal pharyngitis."
A pathogen is a foreign body, bacteria, or virus.
antibiotic
Chlamydia is a medical term for a family of bacteria, but in common language, it usually refers to infection with Chlamydia trachomatis.
What is the definition of etiology? (Are we on the TV game show Jeopardy? If we are then I'll take Medical Terminology for $500)
Bacteremia is an invasion of the blood stream with bacteria.