Category: N
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Neti
The Ayurvedic practice of rinsing out your nostrils with salt water to treat congestion and improve breathing.
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Nasya
The Ayurvedic practice of administering oil up your nose to heal allergies, improve breathing, relieve headaches, and even improve quality of voice. Errhine; a drug which promotes nasal discharge. Method of administering medication through the nose; one of the five measures of panchakarma.
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Nycturia
Excessive urination at night; especially common in older men. Nocturnal enuresis, also referred to as nocturia or bed-wetting.
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Nyctalopia
Night blindness, impaired vision in dim light and in the dark, due to impaired function of certain specialized vision cells. The condition of being unable to see in bad light. Inability to see well in a faint light or at night. This condition occurs in retinitis pigmentosa and choroidoretinitis; it may also be due to…
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Nulliparous
Term used to describe a woman who has never given birth. Never having given birth to a child. A term describing a woman who has never delivered a live baby, encompassing those who have never become pregnant. Having never given birth to a child. Also known as nonparous.
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Nosocomial infections
Infections which are a result of treatment in a hospital or a healthcare service unit, but secondary to the patient’s original condition. An infection which is passed on to a person being treated in a hospital. Infection acquired during a hospital stay. An infection acquired by a patient while in the hospital or other health-care…
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Normoglycaemic
Having the normal amount of glucose in the blood.
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Norepinephrine (also known as noradrenaline)
A substance, both a hormone and neurotransmitter, secreted by the adrenal medulla and the nerve endings of the sympathetic nervous system to cause vasoconstriction and increases in heart rate, blood pressure, and the sugar level of the blood. Also called levarterenol, noradrenalin. An excitatory neurotransmitter released by the brain and a stress hormone; figures in…
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Nootropics
Are substances which are claimed to boost human cognitive abilities (the functions and capacities of the brain). Also popularly referred to as “smart drugs”, “smart nutrients”, “cognitive enhancers” and “brain enhancers”. Cognition-enhancing substances that can improve the way you think, feel, and function. Memory/cognitive enhancers. Capable of improving or preserving memory, of potentiating learning, or…
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NMDA receptor
N-methyl-d-aspartate receptor. A brain receptor activated by the amino acid glutamate, which when excessively stimulated may cause cognitive defects in Alzheimer’s disease.