This is the 15770th most frequent German word.
ärztin
"Ärztin" means "female doctor" in English.
In this sentence, 'Ärztin' is the subject and denotes a female medical doctor. The sentence describes her action of examining patients.
Die Ärztin untersucht die Patienten sorgfältig.
The female doctor examines the patients carefully.
Here, 'Ärztin' refers to a specific female doctor with whom the speaker has scheduled an appointment. It is the object of the prepositional phrase.
Ich habe einen Termin bei meiner Ärztin vereinbart.
I have scheduled an appointment with my female doctor.
In this context, 'Ärztin' serves to identify a female medical doctor who works in the mentioned clinic, indicating her profession and the duration of her work there.