Facies
The two surfaces, lateral and medial (facies lateralis and facies medialis), are separated one from the other by borders: the free posterior border (margo liber) is concave while the other, anterior mesovarian border (margo mesovaricus), is straight and is attached to the mesentery. This border is termed the hilum of the ovary (hilus ovarii) because vessels and nerves enter the ovary through it. The lateral surface of the ovary lies against the lateral pelvie wall between the external iliac vessels and the psoas major muscle above, the lateral umbilical ligament in front, and the ureter behind. icd 10 training will taech all these.
