Venous (Lat. vena, a vein). Pertaining to, or contained within, a vein. Ventilation. The introduction of fresh air into a room or building in such a manner as to keep the air within it in a pure condition.
Ventral (Lat. venter, ventris, the belly). Belonging to the abdominal or belly cavity.
Ventricles of the Heart. The two largest cavities of the heart.
Vermiform (Lat. vermis, a worm, and forma, form). Worm-shaped.
Vertebral Column (Lat. vertebra, a joint). The backbone; also called the spinal column and spine.
Vestibule. A portion of the internal ear, communicating with the semicircular canals and the cochlea, so called from its fancied resemblance to the vestibule, or porch, of a house.
Villi (Lat. villus, shaggy hair). Minute, thread-like projections upon the internal surface of the small intestine, giving it a velvety appearance.
Virus (Lat., poison). Foul matter of an ulcer; poison.
Vital Knot. A part of the medulla oblongata, the destruction of which causes instant death.
Vitreous (Lat. vitrum, glass). Having the appearance of glass; applied to the humor occupying the largest part of the cavity of the eyeball.