25.4.1 Data elements. The data dictionary defines each data element, assigns it a meaningful name, specifies both its logical and physical characteristics, and records information concerning how it is used. Table 25.1 summarizes the type of information that might be recorded in the data dictionary.
The list of signs and symptoms mentioned in various sources for Mbius Syndrome includes the 27 symptoms listed below: 1  Infant sucking difficulty. 2  Inability to follow moving object with eyes. 3  Lack of facial expression.  Inability to 1  smile. Tilting head back to swallow.  Sensitive eyes due to impaired squinting 1  ability. Lack of blinking.  High palate.
In addition to signs and symptoms of classical lissencephaly, infants with Miller-Dieker syndrome may also malformations including microcephaly with a broad, high forehead; bitemporal hollowing; a relatively wide face; micrognathia; a long, thin upper lip; a short nose with upturned nostrils; low-set, malformed ears; polydactyly; abnormal palmar creases; cataracts and/or malformations of the heart, kidneys and/or other organs.