This is the 14684th most frequent Polish word.
psychiatrycznej
"Psychiatric" (relating to psychiatry).
In this sentence, 'psychiatrycznej' serves as an adjective describing the type of unit (a psychiatric unit).
Pacjenci psychiatrycznej jednostki potrzebują opieki o najwyższym standardzie.
Patients of the psychiatric unit require care of the highest standard.
Here, 'psychiatrycznej' describes the facility, indicating its specialization in psychiatric care.
Nowa metoda terapii została wprowadzona w placówce psychiatrycznej.
A new therapy method was introduced at the psychiatric facility.
In this case, 'psychiatrycznej' describes the therapy, meaning that the therapy specifically relates to psychiatric treatment.