text: An infection of this structure can be diagnosed either by using the BVBLUE sialidase test or by finding clue cells on a wet mount.
full_question: An infection of this structure can be diagnosed either by using the BVBLUE sialidase test or by finding clue cells on a wet mount. HYAFF microspheres can be used to deliver salmon calcitonin and insulin through this structure. The life cycle of a parasite named for and often infecting this structure consists solely of a pear-shaped trophozoite stage. Adding 10% KOH in the "whiff test" allows one to detect a species of Gardnerella that infects this structure. Lactobacillus is the primary component of the normal flora of this structure, which is commonly infected by Candida albicans and Trichomonas. A duckbill-shaped speculum can be used to open this structure, which is coated by secretions from Bartholin's glands during arousal. For 10 points, name this canal-like structure whose opening is flanked by the labia.
first_sentence: An infection of this structure can be diagnosed either by using the BVBLUE sialidase test or by finding clue cells on a wet mount.
raw_answer: vagina [or vulva until "trophozoite" is read]