This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
True about pathophysiology of uterine fibroid is 
Select and explain. 
A. Uterine fibroid is derived from multiple progenitor myocytes, B. Mitotic activity in these muscles is very common, C. They possess distinct autonomy from their surrounding myometrium, D. Leiomyoma have high arterial density compared with surrounding myometrium
C: They possess distinct autonomy from their surrounding myometrium
Answer: C: They possess distinct autonomy from their surrounding myometrium 
Explanation: Uterine fibroid is derived from single progenitor myocyte.
Mitotic activity is rare in these muscles. They have lower arterial density compared to surrounding myometrium.