Anatomy and Physiology of the Female Reproductive System Anatomy and Physiology II A frontal cross section illustration of the vagina showing the action of a vaginal lubricant which lubricates the entrance to the vagina and hydrates SuperStock During cervical screening, a healthcare professional will collect a sample of cells from the cervix. They will insert a lubricated speculum into the vagina. This will open up the vaginal walls. They Get To Know Your Vagina and Its Anatomy Ellen Local Genital Arousal: Mechanisms for Vaginal Lubrication Current Sexual Health Reports Springer Nature Link