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| Effect: One of six cards is selected from the magician. It is then counted off and placed into the middle of the deck. Spectator tells magician when the pile is large enough, he then holds cards. Magician slaps cards from his hand and only one remain... Read more of Slap Happy at Card Trick.ca | Informational Privacy |
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Medical ArticlesTreatment Of Compression Stenoses Of The TracheaIf the thymus be at fault, rapid amelioration of symptoms fo... Testing For Electric Defects These tests should be made beforehand; not when about to com... Phosphorus Often caused by children sucking matches. There is a burning i... Laryngoscopes The regular type of laryngoscope shown in Fig. I (A, B, C) i... Difficulties Of Esophagoscopy The beginner may find the esophagoscope seemingly rigidly fi... Lues Of The Tracheobronchial Tree Compared to laryngeal involvement, syphilis of the tracheobr... Precautions To Be Observed As long as compensation is complete, there are no medication ... Hepatitis Inflammation Of Liver Use the B D current, with what force the patient can bear. Pl... Children's Deformed Feet See Club Foot. ... Dysmenorrhea Painful Menstruation If the disease be occasioned by uterine displacement, obstruc... Resume Of After-care Of A Tracheotomic Case 1. Always bear in mind that tracheotomy is not an ultimate ... Wounds Syringing Very great good can often be done by a little careful syringin... Diet For The Acutely Ill The acutely ill person experiences occasional attacks of dist... Introduction IN climbing a mountain, if we know the path and take it as a ... Local Applications That medicines act locally, that is, manifest their symptoms ... Bruises Case Xvi J. Jennings, bricklayer, aged 26, fell through the roof of a ... Convulsions Of Children - Fits These generally occur, either from the irritation of worms, o... Hepatization Of Lungs Take A D current, pretty strong force. Treat in front, over t... Artistic Considerations ALTHOUGH so much time and care are given to the vario... Oxygen Tank And Tracheotomy Instruments Respiratory arrest may occur from shifting of a foreign body,... |
The Glands In The SkinCategory: THE SKIN Source: A Handbook Of Health Sweat Glands. Like all the pavement (epithelial) surfaces of the body, inside and out, the skin has the power of making glands by dipping down little pouches or pockets into the layers below. In the skin, these little gland-pockets are of two kinds, the sweat glands and the hair glands. The sweat glands are tiny tubes which go twisting down through the different pavement layers, through the basement layer, and right into the coat of fat, which lies just under the skin. The tube of the sweat gland soaks, or picks, out of the blood some of the waste-stuff--just as the kidney tube does in the kidney,--together with a good deal of water and a small amount of delicate oil, and pours them out on the surface of the body in the form of the sweat, or perspiration. As you will remember, when the muscles work hard and pour more waste into the blood, then the heart pumps larger amounts of blood out into the skin; and this causes it to redden. The sweat glands work harder to purify this extra blood, and they pour out the waste and oil and water on the surface. As soon as this water gets upon our hot skin, it begins to evaporate and cool us off, as well as to carry off some of the waste in the form of gas. The trace of oil in the perspiration helps to lubricate the skin and keep it soft; but when too much of it is poured out we have that greasy feeling, which we have all felt after perspiring freely. From all this cooling and breathing and blood-purifying work going on upon the surface of our skin, you can easily see why it is so important that all our clothing should be loose and porous and that next the skin easily washed; else it will very soon become clogged up and greasy, and shut off the breathing and blood-purifying work of the skin and make it dirty and unhealthy. This continual mist of water, rising and bubbling up through our skin like springs out of a hillside, is another of nature's wonderful ways of cleansing the skin and of preventing any kind of dirt from permanently sticking to or lodging in it. Remember, you do not need to dig below the surface when you wash. Hair Glands. The other kind of skin glands, the hair glands, are also pouches growing out from the deepest part of the stem of the hair, known as the root, or hair bulb. From the root of the hairs, two or three little bundles of muscle run up toward the surface of the skin. When these contract, they pull the root of the hair up toward the surface, causing the hair to stand erect, or bristle, as we say. This is what makes the hair on a dog's or a cat's back stand up when he is angry; but the commonest use of the movement is, when animals are cold, to make their coats stand out so as to hold more air and retain the body-heat better. We have lost most of our hairy coating, but whenever we get chilly, whether from cold or from fright, these little muscles of our hair bulbs contract and pull the hair glands of our skin up toward the surface, so that it looks all pimply or goose-skinned. Each hair pouch has sprouted out from its sides a pair of tiny pouches, which form oil glands to lubricate the hair and keep it sleek and flexible. It is hard to beat nature at her own game, and her method of oiling the hair is far superior to any hair oil that can be put on from the outside. Keep your hair well brushed and washed, and nature will oil it for you much better than any hair oil or scalp reviver ever invented.[19] Next: The Nails Previous: Our Wonderful Coat
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