Category: N

A form of mechanical ventilation in which each machine-generated breath initiates after the detection of diaphragmatic muscle depolarization. A lead inserted into the esophagus detects signals from the diaphragm.  

Neuralgia of the eyes, brows, and root of the nose.  

An experimental procedure for transplanting tissue into the brain and spinal cord. Possible sources of material to be used include human fetal tissue, cultured and genetically engineered cells, and tissues from the patient’s own body.  

One of two longitudinal elevations of the neural plate of an embryo that unite to form the neural tube.  

The tearing or rupturing of a nerve trunk.  

A form of artificial intelligence that relies on a group of interconnected mathematical equations that accept input data and that calculate an output. The more often the equations are used, the more reliable and valuable they become in drawing conclusions from data. Neural networks have been used in health care to interpret electrocardiograms and to…

A measure of whether a population is reproducing at a greater or lesser rate than needed for its replacement. It is determined by calculating the average number of surviving daughters born to the women in that population during their reproductive years. An NRR of 1 indicates that each woman in the population has one surviving…

A small cluster of unusual cells found within normal tissue. A diminutive and flat, circular vessel made from pastry, meringue, mashed potatoes, rice, noodles, or similar substances, filled with a suitable food item such as ice cream, creamed chicken, and so on.  

Diffuse hyperplasia of the beta cells in the islets of Langerhans of the pancreas. It is a rare cause of hypoglycemia.  

Nerve fibers that innervate sheaths of nerves.