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.
GCIDE(0.00 / 0 votes)Rate this definition: Mucin(n.) (Physiol. Chem.) Any of a class of high molecular weight glycoproteins which are contained in mucus, and give to the latter secretion its peculiar ropy character. They are found in all the secretions from mucous glands, and also between the fibers of connective tissue, as in tendons.