Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «N»:
Nurse, registered: A nurse who has completed a
two- to four-year degree program in nursing, and provides
direct patient care for acutely or chronically ill
patients. RNs may further specialize in a particular area.
For example, psychiatric nurses are RNs with special
training in working with me...
Nurse-midwife: A person who is trained in both nursing and midwifery and, in the US, is certified by the American College of Nurse-Midwives (ACNM). In order to practice, a nurse-midwife must pass an examination for certification by a national board. Nurse-midwife training focuses on the management o...
Nurse-midwifery: The practice engaged in by a nurse-midwife....
Nursemaid's elbow: Partial dislocation of the elbow. The radius (a bone in the forearm) slips out of the ligament that holds it in place at the elbow. This is common in children under 4 years of age. It may be due to an adult lifting or swinging the child by one hand and can also occur when an infan...
Nurses Health Study
Nurses Health Study: A very large and important prospective investigation into the risk factors for major chronic diseases in women. (In a prospective study the participants are identified and then followed forward in time.) The participants in the study are female registered nurses (RNs).
Nursing: 1) Profession concerned with the provision
of services essential to the maintenance and restoration of health by
attending the needs of sick persons. 2) Feeding a infant at the
Nursing home: A residential facility for persons
with chronic illness or disability, particularly older
people who have mobility and eating problems. Also called a
convalescent home, long-term care facility....
Nutraceutical: A food or part of a food that allegedly
provides medicinal or health benefits, including the prevention and
treatment of disease. A nutraceutical may be a naturally nutrient-rich
or medicinally active food, such as garlic or soybeans, or it may be
a specific component of a food, s...
Nutrigenomics: The study of how different foods may interact with specific genes to increase the risk of common chronic diseases such as type 2 diabetes, obesity, heart disease, stroke and certain cancers. Nutrigenomics also seeks to provide a molecular understanding of how common chemicals in the d...
Nutrition: 1) The science or practice of taking in
and utilizing foods. 2) A nourishing substance, such as nutritional
solutions delivered to hospitalized patients via an IV or IG tube.
Nutritional neuroscience: The field of nutrition that relates to the central and peripheral nervous system. Nutritional neuroscience includes the role of different components of the normal diet (protein, carbohydrate, fat), dietary supplements (minerals, vitamins,
hormones, herbs), and food additiv...
Nutritionist: 1) In a
hospital or nursing home, a person
who plans and/or formulates special meals for patients. It can also simply be a
euphemism for a cook who works in a medical facility but who does not have
extensive training in special nutritional needs. 2) In clinical practice, a speciali...
nvCJD: New variant Creutzfeldt-Jakob disease, a human disease thought due to the same infectious agent as bovine spongiform encephalopathy (BSE), or mad cow disease. Both the human and bovine disorders are invariably fatal brain diseases with unusually long incubation periods measured in years, and ...
Nyctalopia: Night blindness, impaired vision in
dim light and in the dark, due to impaired function of
certain specialized vision cells (the rods) in the retina.
The ability of our eyes to quickly view objects as
they shift from light to dark areas and the ability to see in dim light or at ni...
Nyctanopia: Impaired vision in dim light and in
the dark, due to impaired function of the rods in the retina.
Night blindness is a classic finding from deficiency of vitamin A.
Nyctanopia is also known as day sight, nocturnal amblyopia,