Category: N
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Nasal mucous membrane
The mucosa lining the nasal cavity and characterized by pseudostratified ciliated columnar epithelium with goblet cells.
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Nutrient medium
A fortified culture medium with added nutrient materials.
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Naturopathic medicine
The philosophy and practice of healing that relies primarily on the use of nutrition, herbal remedies, homeopathy, massage, and counseling to promote wellness and healthy lifestyles. Other modalities used include such disciplines as aromatherapy, color therapy, traditional Chinese medicine, and iridology. A system of natural medicine that focuses on working with the healing systems of…
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Native American medicine
Traditional, culturally specific beliefs and practices of Native Americans regarding health that emphasize awareness of self and spirit, rest, connection with nature, herbal medicine, social support, and ceremonial or ritualistic healing.
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Neonatal lupus
Rash, abnormally low platelet counts, liver and brain disease, and congenital heart block occurring in an infant whose mother has systemic lupus erythematosus. The disease results from the passage of maternal autoantibodies to the developing fetus. Although most of the findings resolve spontaneously, congenital heart block does not, and it may require the insertion of…
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Nutmeg liver
Chronic passive congestion of the liver, which produces a reddened central portal area and a yellowish periportal zone. A term used to describe a liver that is congested and exhibits a speckled or mottled appearance.
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Nasal lipoma
A fibrous growth of the subcutaneous tissue of the nostrils.
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Nasal line
A line from the lower edge of the ala nasi curving to the outer side of the orbicularis oris muscle.
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Neuroimmunophilin ligand
Any of the small molecules that can stimulate neurons to grow new axons and dendrites. They can cross the blood-brain barrier, and therefore may be used to treat neurodegenerative diseases or central nervous system injuries.
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Nuchal ligament
The upward continuation of the supraspinous ligament, extending from the seventh cervical vertebra to the occipital bone.