The vulva is made up of the female genital parts that are outside the body. It includes the "lips" or folds of skin (labia), clitoris, and the openings to the urethra and vagina.
Dolan MS, Hill C, Valea FA. Benign gynecologic lesions: vulva, vagina, cervix, uterus, oviduct, ovary, ultrasound imaging of pelvic structures. In: Gershenson DM, Lentz GM, Valea FA, Lobo RA, eds. Comprehensive Gynecology. 8th ed. Philadelphia, PA: Elsevier; 2022:chap 18.
Nunziato JD, Valea FA. Reproductive anatomy: gross and microscopic, clinical correlations. In: Gershenson DM, Lentz GM, Valea FA, Lobo RA, eds. Comprehensive Gynecology. 8th ed. Philadelphia, PA: Elsevier; 2022:chap 3.