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Nitrogen, nitrogenous. The gas constituting four Plasma. The fluid portion of the blood holding in fifths of the volume of the atmosphere. Noxious. Poisonous; harmful.

Nucleus, nuclei. The germinal point in a cell; kernel. Nutrition. Increasing in growth, or supplying the materials for growth.

Obcordate. Half egg-shape and half heart-shape. Obesity. Excessively fat.

stomach.

Esophagus. The food-passage from the throat to the Estruation. Periodical sexual desire; heat. Oleaginous. Oily.

Ophthalmoscope. An instrument for examining the interior of the eye by concentrated and reflected light.

Optic nerve. The nerve conveying visual impressions from the eye to the brain. Osmosis. Attraction of fluids for each other through moist membranes and their motion. Occicles. Little bones.

Ounce. One sixteenth of a pound; in fluids, eight drachms or teaspoonfuls.

Oxygen. The gas constituting one fifth the volume of the atmosphere. It supports combustion.

Pad. A folded cloth used as a support.
Palate. Roof of the mouth.

Palatine arch. The arch in the rear of the mouth,

formed by the palate bone.

Palsy. Loss of sensation or motion, or both; paralysis. Pancreas, pancreatic juice. A large gland in the abdomen, beneath and behind the stomach. Its secretion.

Papillæ. Little raised points upon the surface; they can be seen upon the tongue. Papulose, papular. With dry pimples. Paralysis. To lose the power of motion in a part, or sensation, or both.

Parasites. Animals or plants that subsist upon others. Parenchyma. The texture of organs like the liver, kidneys, etc.

Parotid gland. A gland at the angle of the lower jaw which secretes saliva and discharges it by a short tube upon the cheek near an upper molar (back) tooth.

Paroxysm. The period of more aggravated symptoms, following an interval of comparative freedom. Parturition. Childbirth. Pathology. That department of medical science whose object is the knowledge of disease. Pelvis. The bony structure at the termination of the spine, enveloping and protecting the lower intestines, bladder, genitals, etc.

Pentandria Monogynia. A name given to a class of plants having five stamens and one style. Percussion. Striking with the finger-tips to discover by the resonance the condition of internal parts. Perineum. The part between the genitals and the anus or tip of the spine.

Periodicity. Occurring at regular periods, as a chill every other day, etc. Periosteum. The tough membrane covering all bones. Peristaltic. The peculiar motion of the intestines which propels its contents forward, somewhat like the crawling of a worm.

Peritoneum. The membrane lining the abdominal walls and covering the intestines. Petaloid. Resembling a leaf-stock. Petals. The colored leaves of a flower. Pharmacist, pharmaceutist. One who manufactures drugs.

Pharmacy. The manufacture of drugs. Pharynx. The posterior portion of the cavity of the mouth, behind the palate, above the windpipe and gullet. The breath and food pass through it. Phosphorus, phosphates. A substance familiar to us in matches. It is a constituent of the brain and

nerves.

Phrenic nerve. The respiratory nerve. It arises in the neck, passes through it and the chest, and is mainly distributed to the diaphragm. Physiology. The functions of the organs of the body; the phenomena of life. Pile-compressor. An instrument supporting the rectum and anus.

Placenta. A fleshy body attached to the womb and by a cord to the child, supplying blood and nourishment before birth.

solution fibrine, albumen, etc. Plastic. Formative.

Plethora. Abounding in blood; full-blooded.
Pleura. A wetted membrane lining the walls of the
chest and covering the outer surface of the lung.
There are two.

Plexus. A network of blood-vessels or nerves.
Pneumogastric nerve. The great nerve distributed
Polypus. A kind of tumor.
to the chest and stomach.
Post-mortem. After death.

Prepuce. The prolonged skin of the penis which
Probang. A whalebone rod with a sponge on one end.
covers the glans or head.
Probe. A wire for examining wounds, canals, etc.
Prostate gland. A gland at the upper portion of the
Prophylactic. Preventive.
Psoas muscle.
urethra surrounding it and touching the bladder.
The great muscle which draws the
thigh up to the abdomen.

Puberty. That period of life, about the age of 13, when the procreative organs most rapidly develop; hair grows about them and upon the face of the male, the breasts of the female enlarge, and, in fact, the period of youth has passed and that of manhood or womanhood arrived. Pubic bone. A bone in the lower abdomen immediately under that part of the surface covered with hair.

Pulse. The beating or throbbing of arteries produced

by afflux of blood from heart.

Pupil. The circular opening in the colored part of the eye (iris).

Purgative. A medicine causing free alvine discharges. Pus. Matter discharged from inflamed tissue. Pustules. Mattery pimples.

Receptaculum chyli. A hollow organ for holding chyle.

Rectum, rectal. That portion of the bowels nearest the outlet.

Recuperate. To regain health and strength.
Regurgitate. To flow backward.
Remission. Decrease in fever.
Renal. Pertaining to the kidney.
Retching. Ineffectual effort to vomit.
Respiration. Breathing.
Retina. The lining of the eye.

Revulsive. Agents which create diseased action on
the surface to relieve internal disorder.
R, recipe. Take the articles following.
Roborant. Strengthening; tonic.

Saccharine. Of the nature of sugar.
Saliva. One of the digestive fluids which is mixed
with the food during mastication.
Sanitarium. A remedial institute.
Schneiderian membrane. The lining of the nasal
cavity.

Scrofulous. Of the nature of scrofula.
Scrotum. The skin covering the testicles.
Sebaceous. A name given to the oil-glands of the
skin.
Secernent. Secreting.

Secrete, secretion. Drawing out fluids from the
blood; each gland absorbs material peculiar to it-
self.
Sedatives. Remedies which control or depress exces-
sive vital action.

Self-pollution. Personal excitement of the sexual
organs.
Semen. The fecundating fluid of the male which is
secreted by the testicles.

Seminal. Pertaining to semen or sperm.
Sensorium. The center of sensations.
Sepals. The leaves of the envelope of a flower.
Serum, serous. The watery portion of animal fluids.
Sigmoid flexure. A bend in the intestines just above

the rectum.

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Sympathetic nerves. The nervous system of the auto

matic functions.

Symptom. A sign of disease.
Syncope. Fainting.

Tampon. A plug made of lint or cotton.

Tapping. Drawing off fluids in cavities by puncturing the surface.

Tenesmus. Violent contractions.

Testes. The male organs contained in the scrotum.
Testicles. Testes.

Tetanus. Permanent contraction of muscles.
Therapeutics. The department of medical science
concerned in the treatment of disease.
Thoracic. Pertaining to the chest.
Thyroid glands. Throat glands.

Tissues. The anatomical elements of organs.
Tonics. Remedies which improve the health and
strength.
Tonsil. A gland at the side of the throat near the soft

palate.

Toxic. Poisonous.

Trachea. That part of the windpipe between the larynx or vocal organs and the bronchial tubes.

Traumatic. Pertaining to a wound.

Tubercle. Concretions of degenerated matter.
Tubule. A little tube or canal.

Vicarious. In place of another; a function performed
through other than the natural channels.
Virus. The poison transmitting infectious disease.
Viscus, viscera. An organ of the body. Organs.
Vitality. The vital principle.
Void. To evacuate.

Vomiting. Emptying the stomach upward.

Water-brash. A profuse flow of saliva.

Womb. An organ situated between the bladder and rectum and above the vagina, which holds the fœtus during gestation.

Zoon, Zoa. Animal. Animals.
Zymotic. Epidemic and contagious.

SICK ROOM.

In preparing a meal for anyone whose appetite is delicate, it should be made to look as tempting as possible. The tray should be covered with the whitest napkin, and the silver, glass, and china should shine with cleanliness. There should not be too great a variety of viands, and but a very small portion of each one. Nothing more quickly disgusts a feeble appetite than a quantity of food presented at one time.

The patient should never be consulted beforehand as to what he will eat or what he will drink. If he asks for anything, give it to him, with the doctor's permission; otherwise prepare something he is known to like, and offer it without previous comment. One of the chief offices of a good nurse is to think for her patient. His slightest want should be anticipated and gratified before he has had time to express it. Quick observation will enable her to detect the first symptom of worry or excitement, and to remove the cause. An invalid should never be teased with the exertion of making a decision. Whether the room is

Tympanitic. Having a drum-like sound from the too hot or too cold; whether chicken broth, or

accumulation of air.

Tympanum. The drum of the ear.

beef tea, or gruel is best for his luncheon, and all similar matters, are questions which should

Ulcer, ulceration. A chronic sore situated in the soft be decided without appealing to him.

parts. A diseased action resulting in ulcer.

Umbilicus. The navel.

Uræmic. Pertaining to urine.
Urea. A constituent of urine.

Ureters. The canals, two in number, carrying the
urine from the kidneys to the bladder.
Urethra. The canal or pipe leading from the bladder
for the conveyance of urine from the body.
Uric acid. A constituent of urine; in excess it forms
combinations, producing calculus or stone.
Urine. The secretion of the kidneys which collects in
the bladder and is discharged through the urethra.
Uterus. An organ situated between the bladder and
rectum and above the vagina, which holds the foetus
during gestation.

Uvula. A fleshy organ hanging from the center of the soft palate.

Vaccine. Pertaining to smallpox.

Household troubles should be kept as far as possible from the sick room. Squabbles of children or servants should never find an echo there. In the event of some calamity occurring, for which it is absolutely necessary the sufferer should be informed, the ill news should be broken as gently as possible, and every soothing device employed to help him to bear the shock.

Above all, an invalid, or even a person apparently convalescent, should be saved from his friends. One garrulous acquaintance ad

Vagina. The canal, five or six inches in length, lead-mitted for half an hour will undo the good

ing to the uterus or womb.

Varicose. Pertaining to a dilated vein. Vascular. Full of blood-vessels.

action.

Vaso-motor. Affecting vessels by reflex nervous Vein. A blood-vessel which, with one exception, carries the blue or venous blood.

Ventricle. A chamber in the heart.

Vertigo. Dizziness.

Vesicle. A bladder-like sac.

Vesicular. Full of little vessels.

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She must carry out implicitly the doctor's directions, particularly those regarding medicine and diet. Strict obedience to his orders, a faithful, diligent, painstaking following of his instructions, will insure to the sufferer the best results from his skill, and bring order, method, and regularity into domestic nursing. Temperature.- Excessive heat, long continued, is detrimental to health. It causes in man, enlargement of the liver, jaundice, indigestion, diarrhoea, dysentery, dropsy, etc., and hastens the fatal termination of a majority of human maladies. In geese it causes the enlarged liver, employed in making the celebrated pate de foie gras.

Excessive cold, long continued, is less prejudicial than excessive heat, except to the old and feeble.

Exposure of a limited portion of the body to cold disturbs the equilibrium of both the nervous and vascular systems, causing local congestions, or "colds.”

"If the wind strikes you through a hole,
Go count your beads and mind your soul."

-Old Proverb.

Do not stand long upon the cold ground on a warm spring day. It is equally dangerous to sit upon anything cold on a warm day.

Keep the head cool and the feet warm. Sudden changes of extreme temperature are not necessarily injurious. If the heat or the cold is applied only for a few minutes, as in certain baths, etc., it often proves invigorating. The most perfect examples of physical and mental development are not usually found in regions having the most uniform temperature, but in those which have a considerable range of temperature.

Exercise in the cold air contracts and strengthens the muscles and toughens the sinews.

In general, the best temperature for health is that in which one cannot be comfortable for any length of time without exercise. With most persons this is a temperature of from 58° to 63° Fahrenheit.

Radiated heat is better than heated columns of air. The sun, and an open fireplace or grate furnish radiated heat.

Hot air furnaces, with registers opening directly into the rooms, supply only heated columns of air; which are generally dry and impure. Rooms thus warmed are first and most heated near the ceiling.

Air heated by red hot, or very hot iron, is rendered in a great measure unfit for respiration.

Light.- Light is essential to the perfect life of most vegetables and of most animals. To render a plant brittle and watery, the gardener excludes from it completely the rays of the sun. Etiolation has the same effect upon man and other animals.

Without light, man becomes scrofulous, rickety, goitrous, consumptive, and dies in a state of premature decrepitude.

Children reared without light and air are in the animal kingdom what good celery is in the vegetable kingdom, white and succulent; but they wilt under the slightest touch of frost, and are broken under the slightest pressure.

Children should not be sent into parks with their faces veiled. Patients on the sunny side of a hospital ward recover the soonest.

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Light gives a bronzed, or "tan color to the skin; but where it uproots the lily, it plants the rose.

Light is one of the most valuable disinfectants.

Air and light, are among the best medicines known to man.

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