ng
blood or lymph vessels.

Vaso-motor (Lat. _vas_, a vessel, and _moveo, motum_, to move). Causing
_motion_ to the _vessels_. Vaso-motor nerves cause contraction and
relaxation of the blood-vessels.

Venae Cavae, pl. of Vena Cava. "Hollow veins." A name given to the two great
veins of the body which meet at the right auricle of the heart

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.

Vivisection (Lat. _vivus_, alive, and _seco_, to cut). The practice of
operating upon living animals, for the purpose of studying some
physiological process.

Vocal Cords. Two elastic bands or ridges situated in the larynx; the
essential parts of the organ of voice.

Zygoma (Gr. zugos, a yoke). The arch formed by the malar bone and the
zygomatic process of the temporal bone.

Index.

Absorption
from mouth and stomach
by the intestines
Accident and emergencies
Achilles, Tendon of
Air, made impure by breathing
Foul, effect of, on health
Alcohol, Effect of, on bones
Effect of, on muscles
Effect of, on muscular tissue
Effect of, on physical culture
Nature of
Effects of, on human system
and digestion
Effect of, on the stomach
and the gastric juice
Final results on digestion
Effects of, on the liver
Fatty degeneration due to
Effect of, on the circulation
Effect of, on the