Category: N

The use of the ability of a neutron to be absorbed (captured) by an atomic nucleus to detect the presence of various substances.  

A state in which the anteroposterior occlusal positions of the teeth or the mesiodistal positions are normal but malocclusion of other teeth exists.  

In chemistry, a reaction indicating the absence of acid or alkaline properties; expressed as pH 7.0. A response that shows neither acidity nor alkalinity, represented as a pH of 7.  

A test of the ability of an antibody to neutralize the effects of an antigen.  

A point on the pH scale (pH 7.0) that represents neutrality (i.e., the solution is neither acid or alkaline in reaction).  

Formation of the neural plate in the embryo and the development and closure of the neural tube.  

The stage in the development of an embryo (especially amphibian embryos) during which the neural plate develops and axial embryonic nervous structures are elaborated.    

Virus that has been modified by its growth in nervous tissue and used in preparing vaccines.  

Concerning the autonomic nervous system.  

A standardized vaccine virus of specific strength, usually prepared by cultivation in a rabbit’s brain.