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Niacin
Niacin One of the B vitamins, niacin is an essential vitamin that is especiallyimportant for digestion and appetite, as well as tissue and nerve cells.
RELATED TERMS--------------------------------------
Vitamins
Any of a number of complex organic substances found in foods that are essential for normal body functioning.
Niacin
One of the B vitamins, niacin is an essential vitamin that is especiallyimportant for digestion and appetite, as well as tissue and nerve cells.
Essential
1. Something that cannot be done without. 2. Required in the diet, because the body cannot make it. As in an essential amino acid or an essential fatty acid. 3. Idiopathic. As in essential hypertension.
Vitamin
Any of many organic substances that are vital in small amounts to the normal functioning of the body. Vitamins are found in food, produced by the body, and manufactured synthetically; along with minerals, they are known as micronutrients.
Digestion
The process the body uses to break down food into simple substances for energy, growth, and cell repair.
Tissue
Biological tissue is a group of cells that perform a similar function.The study of tissues is known as histology, or, in connection with disease, histopathology.The classical tools for studying the tissues are the wax block, the tissue stain, and the optical microscope, though developments in electron microscopy, immunofluorescence, and frozen sections have all added to the sum of knowledge in the last couple of decades.
Nerve
Tissue that conveys sensation, temperature, position information to the brain.
SIMILAR TERMS--------------------------------------
Niacor
Niacor is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): niacin.
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Neuromuscular development
The development of the nervous and muscular systems.
Neurosurgeon
Physician who specializes in surgery of the nervous system.
Nevus
A general name for birthmarks.
Newborn intrapartal care
Medical care for infants through labor and delivery.
Newborn jaundice
The yellowing of a newborn's skin, usually beginning on the second or thirdday after birth and lasting a week to ten days. Caused by the immaturity ofthe newborn's systems, jaundice is common, with more than half of newbornshaving the disorder.
Niacin
Non-stress test
A test for abnormalities of the fetal heartbeat in which a monitor is used to listen to the fetus's heart while the mother is at rest. (In a stress test, the fetal heartbeat is monitored in response to uterine contractions.)
Norplant
Time-released birth control, administered through 6 tiny tubes that are implanted in a woman's upper arm. It remains effective for up 5 years.
Nasal hemiretina
That portion of the retina that lies medial to the fovea.
Neuron doctrine
The idea that nerve cells are independent biological units.
Nonclassical receptive field
Classical receptive fields are plotted by spots of light or moving stimuli. If a cell responds consistently to that stimulus then the location of that stimulus is said to be within the cells classical receptive field. Activity outside that area can influence a cell's response to the original stimulus. Examples : Motion, Color.
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