This is the 10694th most frequent Russian word.
воспалительных
"Inflammatory."
In this sentence, 'воспалительных' is used as an adjective that describes 'заболеваний' (diseases), indicating that the type of diseases is inflammatory.
У него возникли признаки воспалительных заболеваний.
He developed signs of inflammatory diseases.
Here, 'воспалительных' modifies 'процессов' (processes), specifying that these processes relate to inflammation.
В процессе изучения иммунной системы были обнаружены маркеры воспалительных процессов.
During the study of the immune system, markers of inflammatory processes were discovered.
The word 'воспалительных' describes 'симптомов' (symptoms), showing that the symptoms being referred to are those of inflammation.