Nutrition
A nourishing substance, such as nutritional solutions delivered to hospitalized patients via an IV or IG tube.
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- 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 additives (artificial flavors, colors, sweeteners) on neurochemistry, neurobiology, behavior, and performance.
- 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 specialist in nutrition. Nutritionists can help […]
- nvCJD
New variant Creutzfeldt-Jakob disease.
- 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. “Nyctalopia” comes from the Greek “nyct” (night) + “aloas” (obscure or blind) + “opsis” (vision). Nyctalopia is also called day sight, nocturnal amblyopia, and nyctanopia.
- Nyctanopia
Impaired vision in dim light and in the dark, due to impaired function of the rods in the retina. Nyctanopia is a classic finding with vitamin A deficiency. Also known as day sight, nocturnal amblyopia, and nyctalopia.