ATROPHY—A condition of imperfect nutrition producing diminution in size and loss of function of parts.
BERTILLON—A French anthropologist who devised a system of measurements of the human body for purposes of identification.
BLOOD-PLASMA—The fluid of the blood.
CELL—The unit of living matter. Living things may be unicellular or composed of a multitude of cells which are interdependent. The general mass of material forming the cell is termed cytoplasm. In this there is a differentiated area termed nucleus which governs the multiplication of cells. In the nucleus is a material termed chromatin which bears the factors of heredity.
CHEMOTROPISM—The influence of chemical substances in directing the movement of organisms.
EXUDATE—The material which passes from the blood into an injured part and causes the swelling.
FIBRIN—The gelatinous material formed in the blood when it clots.
HÆMOGLOBIN—A substance which gives the red color to the blood; by means of its ready combination with the oxygen of the air in the lungs this necessary element is carried to all parts of the body.
INFLAMMATION—Literally a "burning"; the changes which take place in a part after injury.
LYMPH—The fluid which is contained in the lymphatic vessels—nodes. Circumscribed masses of cells connected with the lymphatic vessels.