What does follicular echo mean?

Follicle echo, should be out of the current B-ultrasound imaging issued by the report, normal uterine body and ovary are partial solid, in B-ultrasound imaging, because the main principle of B-ultrasound application is to use ultrasound, and then through ultrasound imaging echo to performance. Therefore, uterus and ovary belong to solid tissue, such solid tissue is strong echo, and follicle because there is follicular fluid inside, this liquid shows dark color, black liquid-like echo under ultrasound imaging, so it is called follicular echo, this is the term often used in B-ultrasound imaging.