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.
Medical Definition of Mus. : a genus of rodents that is the type of the family Muridae and includes the house mouse (M. musculus) and a few related small forms distinguished by the square-notched tip of the upper incisors as seen in profile.