les of the heart.

Commissure (Lat. _con_, together, and _mitto_, _missum_, to put). A
joining or uniting together.

Compress. A pad or bandage applied directly to an injury to compress it.

Concha (Gr. kogche, a mussel shell). The shell-shaped portion of the
external ear.

Congestion (Lat. _con_, together, and _gero_, to bring). Abnormal
gathering of blood in any part of the body.

Conjunctiva (Lat. _con_, together, and _jungo_, to join). A thin layer of
mucous membrane which lines the eyelids and covers the front of the
eyeball, thus joining the latter to the lids.

Connective Tissue. The network which connects the minute parts of most of
the structures of the body.

Constipation (Lat. _con_, together, and _stipo_, to crowd close).
Costiveness.

Consumption (Lat. _consumo_, to consume). A disease of the lungs, attended
with fever and cough, and causing a decay of the bodily powers. The
medical name is _phthisis_.

Contagion (Lat. _con_, with, and _tango_ or _tago_, to touch). The
communication of disease by contact, or by the inhalation of the effluvia
of a sick person.

Contractility (Lat. _con_, together, and _traho_, to draw). The property
of a muscle which enables it to contract, or draw its extremities closer
together.

Convolutions (Lat. _con_, together, and _volvo_, to roll). The tortuous
foldings of the external surface of the brain.

Convulsion (Lat. _convello_, to pull together). A more or less violent
agitation of the limbs or body.

Cooerdination. The manner in which several different organs of the body are
brought into such relations with one another that their functions are
performed in harmony.

Coracoid (Gr. koraxi, a crow, eidos, form). Shaped like a crow's beak.
Cornea (Lat. _cornu_, a horn). The transparent horn-like substance which
covers a part of the front of the eyeball.

Coronary (Lat. _corona_, a crown). A term applied to vessels and nerves
which encircle parts, as the _coronary_ arteries of the heart.

Coronoid (Gr. koro#x3CE;ne, a crow). Like a crow's beak; thus the
_coronoid_ process of the ulna.

Cricoid (Gr. krikos, a ring, and eidos, form). A cartilage of the larynx
resembling a seal ring in shape.

Crystalline Lens (Lat. _crystallum_, a crystal). One of the humors of the
eye; a double-convex body situated in the front part of the eyeball.

Cumulative. A term applied to the violent action from drugs which
supervenes after the taking of several doses with little o