has part has part has_part characteristic of part of has modifier abnormal trachea morphology abnormal trachea submucosa morphology any structural anomaly of the loose fibrous connective tissue located under the tracheal mucosa and composed of abundant blood and lymphatic vessels, diffuse lymphatic tissue and lymphatic nodules, and seromucous tracheal glands; the submucosa ends with the perichondrium of the tracheal cartilages abnormal windpipe submucosa morphology MP:0013493 abnormal tracheal submucosa morphology morphology abnormal submucosa of trachea