Glossary N

Glossary N

Nitric oxide is a gas released by many small neurons and used as a neuromodulator; alters blood flow as well as neuronal activity. Nitric oxide is defined as a colorless gas prepared by the action of nitric acid on copper and also produced in cigarette smoke; it affects oxygen metabolism and may be dangerous.

Nitrogen narcosis refers to a condition similar to intoxication with alcohol that occurs in divers below 100 feet (30 meters) who breath compressed air because of the high nitrogen content of air. Sympotoms inlcude: euphoria, loss of balance and manual dexterity, disorientation and impaired reasoning Nitrogen narcosis is sometimes called the Rapture of the Deep, a term derived from the book "The Silent World" written in 1953 by Jacques Cousteau

Nitroglycerin refers to drug used to reduce chest pain (Angina pectoris) due to lack of blood flow to the myocardium.

NMDA receptor refers to glutamate receptor that also responds to the drug N-methyl-D-aspartate

No-fault divorce is defined as a divorce law that allows for the dissolution of a marriage without placing blame on either of the partners.

No-nonsense parenting is a mixture of authoritative and authoritarian parenting styles that is associated with favorable outcomes in African-American families

No-problem trajectory refers to a growth curve of children who are low in aggression throughout childhood and adolescence

- No-treatment control group : No-treatment control group refers to a group or condition in which the participants do not receive the treatment being evaluated in an experiment.

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