Source:http://linkedlifedata.com/resource/umls/id/C0025958
MSH: A congenital abnormality in which the CEREBRUM is underdeveloped, the fontanels close prematurely, and, as a result, the head is small. (Desk Reference for Neuroscience, 2nd ed.),CSP: abnormal smallness of the brain.,NCI: A congenital or acquired developmental disorder in which the circumference of the head is smaller than normal for the person's age and sex. It is the result of brain developmental delay.