Category: N
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Negative eugenics
Efforts aimed at reducing the occurrence of genetic abnormalities.
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Nutritional edema
Swelling that arises in conditions of malnutrition, attributed to low levels of protein in the blood plasma.
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Nasal catarrh
Before treatment can effectively cure this condition, investigations have to be made to ensure there is no nasal obstruction caused by enlarged adenoids or by a bent and twisted nasal septum. X-rays need to be taken of the nasal sinuses, because if one is blocked and infected its constant contribution of sepsis to the nose…
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Newborn baby
An infant in the initial month of life. If a death were to occur within this timeframe, it would be categorized as a neonatal death.
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Nerve-block anesthesia
Anesthesia achieved by injecting an anesthetic into or close to the nerves that serve the area to be operated on.
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Neonatal urticaria
A prevalent and benign skin condition, alternatively known as erythema neonatorum or toxic erythema, which impacts newborn babies. The exact cause remains uncertain. Neonatal urticaria manifests as a mottled rash, with elevated white or yellow bumps encircled by poorly defined reddened regions of inflammation. This rash predominantly appears on the face, chest, arms, and thighs.…
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Nutritional disorders
Nutritional imbalances can arise from a lack or abundance of certain nutrients or from the ingestion of toxic substances in one’s food. A diet lacking in carbohydrates typically also falls short in protein. This can result in protein-calorie malnutrition, commonly seen in extreme poverty or famine situations. People might also experience insufficient protein and calorie…
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Nummular
Shaped like a round, flat disc. This term can also refer to a structure or condition characterized by such disc-like abnormalities. For instance, nummular eczema is a skin condition marked by distinctive coin-like itchy skin patches.
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Nuchal thickness scan
During the initial stages of pregnancy, ultrasound scanning is conducted to detect fetuses with an elevated likelihood of chromosomal irregularities like Down syndrome. This procedure examines the width of the nuchal fold, a patch of skin located at the rear of the neck. If the nuchal fold appears excessively thick, it suggests the possibility of…
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Normocytic anaemia
Any type of anemia where the level of hemoglobin (the pigment that carries oxygen) in the bloodstream diminishes due to a decrease in the overall count of red blood cells, while the size and hemoglobin content of each individual cell remain normal. Normocytic anemia can emerge from chronic illnesses like renal failure or chronic inflammatory…