Glossary for Chromosomal disorders related to microcephaly
Medical terms related to Chromosomal disorders related to microcephaly or mentioned in this section include:
- Cataracts in children:
- Chromosome 13 trisomy syndrome: A rare chromosomal disorder where there are three copies of chromosome 13 rather than the normal two resulting in various abnormalities. Most die within months and there are few survivors after 10 years.
- Chromosome conditions: Various genetic conditions where a chromosome is partially or totally misplaced.
- Cryptorchidism in children: Cryptorchidism in children refers to a boy who has an undescended testicle.
- Epicanthal folds in children: Epicanthal folds in children refers to a child who has folds of skin on the upper eyelids that run from the nose to the outside edge of the eye, as seen normally in children of Asian descent or in children with Down's syndrome.
- Hypogenitalism in children: Hypogenitalism in children refers to a partial or complete lack of development of a child's genitals.
- Microcephaly: A smaller than average brain
- Sensorineural hearing loss related chromosomal disorders: Sensorineural hearing loss related chromosomal disorders refers to hearing loss that is due to a disorder or condition of the inner ear caused by a disorder of the chromosomes.
- Small tongue: A tongue that is smaller then normal.
- Trisomy 18 Syndrome: A rare genetic chromosomal syndrome where the child has an extra third copy of chromosome 18. Most fetuses are aborted before term, but a live birth with this condition occurs with a frequency around 1-in-3000. Edwards syndrome is more severe than the more common Down syndrome. Edwards syndrome causes mental retardation and numerous physical defects that often cause an early infant death. The condition has variable severity depending on how many of the body's cells have the extra chromosome and how much of the extra chromosome is duplicated. In severe forms all cells have an extra copy of the complete chromosome 18 whereas milder forms may have only some cells having the extra chromosome. Other mild forms may have an extra copy of only part of chromosome 18 in some or all of the body cells.
- Underdeveloped or absent radius in children:
Conditions listing medical symptoms: Chromosomal disorders related to microcephaly:
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