Definition of Aase-Smith syndrome II
Aase-Smith syndrome II: A genetic disorder that may be detected during early infancy and is characterized by the presence of three bones (phalanges) within the thumbs (triphalangeal thumbs) rather than the normal two and abnormally reduced production of red blood cells (hypoplastic anemia).
The exact cause of the syndrome is unknown. However, most evidence suggests that the disorder is inherited as an autosomal recessive trait.
The syndrome is named for the American dysmorphologists (birth-defect experts) Jon Aase and David W. Smith. Alternative names for the syndrome include:
Last Editorial Review: 6/14/2012
Medical Dictionary Definitions A - Z
Search Medical Dictionary
eMedicineHealth Top News
Parenting and Pregnancy
Get tips for baby and you.
Health Solutions From Our Sponsors
Most Popular Topics
Pill Identifier on RxList
- quick, easy,
Find a Local Pharmacy
- including 24 hour, pharmacies