In this article. A solitary pulmonary nodule (SPN) is a single abnormality in the lung that is smaller than 3 cm in diameter. Generally, a pulmonary nodule must grow to at least 1 cm in diameter before it can be seen on a chest X-ray.
The name Mu is of Chinese origin. The meaning of Mu is wood. Mu is used as both a boys and girls name. It consists of 2 letters and 1 syllable and is pronounced Mu.
Mu /muË/ (uppercase Î¼, lowercase Î¼; Ancient Greek Î¼á¿¦ [mÅ·Ë] , Modern Greek Î¼Î¹ or Î¼Ï [mi]) is the 12th letter of the Greek alphabet. In the system of Greek numerals it has a value of 40. Mu was derived from the Egyptian hieroglyphic symbol for water (ð), which had been simplified by the Phoenicians and named after their word for water, to become (mem). Letters that arose from mu include the Roman M and the Cyrillic Ð¼.