Microsomia is a medical condition related to abnormal growth and development of facial structures. It can be caused by genetic factors, environmental factors, or a combination of both. Some of the synonyms for microsomia include facial hypoplasia, craniofacial microsomia, hemifacial microsomia, mandibulofacial dysostosis, and oculoauriculovertebral spectrum. These synonyms are used to describe different patterns of facial abnormality associated with microsomia. While there is no known cure for microsomia, treatment options may vary depending on the severity and type of the condition. Some common treatment approaches include surgical intervention, orthodontic treatment, and speech therapy. It is important to consult with a medical professional if you suspect you have microsomia or any related conditions.