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Narcolepsy is a disorder where one has an overwhelming desire for sleep. Naturopathy is a therapy system that uses heat, light, water, air, and massage. Nausea is a feeling of queasiness. Nebulizer is a device to administer medication into the nose. Nephritis is inflammation of the kidney. Neurodermatitis is an itchy skin disorder. Niacin is a B vitamin. Nystagmus is involuntary eye movements. Osteomyelitis is a bone infection. Otitis media is inflammation of the middle ear. Oxytocin is a hormone involved in childbirth and lactation. Narcolepsy, a neurological disorder in which the sufferer suddenly has an overwhelming desire for sleep. Nares, the openings of the nostrils. Nasal septum, connective tissue between the two passages of the nose. Nasogastric, referring to the passage from the nose to the stomach. Nasopharynx, the area of the upper throat behind the nose. Naturopathy, a system of therapy based on preventative care using mainly heat, light, water, air, and massage. Some practitioners use no medications at all. Some recommend only herbal remedies, and a very few who are licensed to prescribe may dispense pharmaceuticals when they feel the situation warrants. Nausea, a feeling of queasiness, often a precursor to vomiting. Navel, the umbilicus or belly button. Nebulizer, a device to administer medication in a fine mist into the nose, used particularly in asthma patients. Necropsy, autopsy, post-mortem examination. Necrosis, cell or tissue death. Neonate, newborn. Neophobia, fear of anything new, innovation, or change. Neoplasm, literally new growth, another word for a tumor. Nephritis, inflammation of the kidney. Nephrosclerosis, hardening of the kidney, usually because of the presence of arteriosclerosis, hardening of the arteries which supply the kidney with blood. Neural, referring to nerves. Neuralgia, nerve pain. Neurodermatitis, a general term for any itchy skin disorder thought to have emotional or nervous causes. For example, an insect bite which, when scratched, becomes overly inflamed. Neuroma, a tumor in nerve cells. Neurotoxin, any substance that is poisonous to the nervous system. Many insecticides are neurotoxins and should be handled with extreme care. Niacin, nicotinic acid, one of the water-soluble B vitamins. Nictitate, to wink. Nocturnal amblyopia, night blindness. Nonpathogenic, not causing disease. Nosocomial, originating or taking place in a hospital or acquired in a hospital, especially if an infection. Nucleus, in cell biology, a structure that contains the chromosomes. In neuroanatomy, a group of nerve cells. Neutrocutical, a food or part of a food that provides therapeutic or preventative benefits. For example, soybeans may be of benefit in preventing cancer and easing symptoms of menopause. Nystagmus, rapid repetitious involuntary eye movements, maybe horizontal, vertical, or rotary. Obese, grossly fat. Obstetrician, a doctor concerned with the fetal development and delivery of an infant and the accompanying care of the mother. Occiput, the back of the head. Ocular, of the eye or a vision. Olfactory, referring to the sense of smell. Oligospermia, very little sperm, as in a low sperm count, not really tiny ones. Omentum, a sheet of fat in the abdominal cavity covered by the peritoneum. Omphalocele, a birth defect in which part of the intestine, sometimes the liver and spleen as well, covered by the amnion and the peritoneum, protrudes through an opening in the abdominal wall. Oncologist, a physician who studies and treats cancer. Oophorectomy, surgical removal of one or both ovaries. Ophthalmic, pertaining to the eye. Orifice, a natural opening in the body, for example, ear, anus, nose, etc. Oral-mandibular dystonia, condition affecting the muscles of the jaw, lips, and tongue, in which the jaw may be pulled either open or shut, making speech and swallowing difficult. Orthopedic, literally straighten the child, concerned with the repair and maintenance of the skeletal system, bones. Orthoscopic, correction of vision. Ossitation, yawning. Ossification, deposit of calcium to form bone or bony tissue. Osteomyelitis, bacterial infection of a bone, usually by deep injury or surgery. Osteopathy, a form of treatment concerned with maintaining correct relationships between bones, muscles, and connective tissues. Underlying thought is that as long as the body maintains proper relationship, it can heal itself. Some practitioners do describe pharmaceuticals or chemotherapy. Otitis media, inflammation of the middle ear. Otolaryngologist, ear, nose, and throat doctor. Oxygenation, making oxygen available either to tissues, the blood, or the patient himself. Oxytocin, a hormone made in the brain that plays a role in both childbirth and lactation by causing muscles to contract in the uterus and the mammary glands in the breast.
