Diagram depicting a broad overview of mucus distribution, variation, Download Scientific Diagram Understanding Arousal Fluid: What It Is and Why It Matters Have you ever questioned what the white vaginal secret is made of (*secretion, I was corrected, but too late to edit it in the post :) )? It's 100% epithelium cells. Originally The fluid that lubricates the vagina during sexual arousal is produced by the Meyer and Croper glands. Quipoquiz