Themedulla of ovary (orZona vasculosa of Waldeyer) is a highly vascular stroma in the center of theovary. It forms from embryonicmesenchyme and contains blood vessels, lymphatic vessels, and nerves.

This stroma forms the tissue of thehilum by which theovarian ligament is attached, and through which the blood vessels enter: it does not contain anyovarian follicles.

This article incorporates text in thepublic domain frompage 1256 of the 20th edition ofGray's Anatomy(1918)

• Histology image: 18402loa – Histology Learning System at Boston University - "Female Reproductive System: ovary, medulla and cortex"
• Histology image: 83_02 at the University of Oklahoma Health Sciences Center

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