The medulla of ovary (or Zona vasculosa of Waldeyer) is a highly vascular stroma in the center of the

ovary The ovary is an organ in the female reproductive system that produces an ovum. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. There is an ovary () found on each side of the body. ...

. It forms from embryonic

mesenchyme Mesenchyme () is a type of loosely organized animal embryonic connective tissue of undifferentiated cells that give rise to most tissues, such as skin, blood or bone. The interactions between mesenchyme and epithelium help to form nearly every o ...

and contains blood vessels, lymphatic vessels, and nerves. This stroma forms the tissue of the hilum by which the

ovarian ligament The ovarian ligament (also called the utero-ovarian ligament or proper ovarian ligament) is a fibrous ligament that connects the ovary to the lateral surface of the uterus. Structure The ovarian ligament is composed of muscular and fibrous tissue; ...

is attached, and through which the blood vessels enter: it does not contain any

ovarian follicle An ovarian follicle is a roughly spheroid cellular aggregation set found in the ovaries. It secretes hormones that influence stages of the menstrual cycle. At the time of puberty, women have approximately 200,000 to 300,000 follicles, each with th ...

References

External links

* - "Female Reproductive System: ovary, medulla and cortex" * Mammal female reproductive system {{genitourinary-stub