| A | B |
| tunica albuginea | the covering of the testis |
| tympanic membrane | the eardrum |
| ultraviolet radiation | beyond the band of visible light |
| vagus nerve | starts at the brain and travels into the abdominopelvic cavity |
| valence shells | the outer most shell of an atom |
| ventricle | a hollow part of cavity in an organ |
| pulmonary ventilation | breathing |
| vertebral column | backbone, spine |
| vestibule | the anterior entryway to the mouth and nose |
| vibrissae | hairs of the nasal vestibule |
| microvilli | have the appearance of hair in light microscopy |
| visceroinhibitory | inhibiting the movements of the viscera |
| viscosity | resistance to flow |
| vitamin | organic substances necessary for body processes and life |
| vitreous humor | the clear jelly of the eye |
| in vivo | "within the living" |
| vulva | the female external genitalia |
| zygote | cell formed by a fertilization event between two gametes |
| viable | ability to live or exist |
| cardiac | referring to the heart |
| neuralgia | pain along the course of a nerve |
| synapse | where two neurons connect |
| coronary | associated with the heart |