Ectromelia
Encyclopedia
Ectromelia is a congenital condition where long bone
s are missing or underdeveloped.
Examples include:
Long bone
The long bones are those that are longer than they are wide. They are one of five types of bones: long, short, flat, irregular and sesamoid. Long bones, especially the femur and tibia, are subjected to most of the load during daily activities and they are crucial for skeletal mobility. They grow...
s are missing or underdeveloped.
Examples include:
- AmeliaAmelia (birth defect)Amelia is the birth defect of lacking one or more limbs. It can also result in a shrunken or deformed limb. For example, a child might be born without an elbow or forearm. The term may be modified to indicate the number of legs or arms missing at birth, such as tetra-amelia for the absence of all...
- PhocomeliaPhocomeliaPhocomelia is an extremely rare congenital disorder involving the limbs . Étienne Geoffroy Saint-Hilaire coined the term in 1836....
- HemimeliaHemimeliaFibular hemimelia or longitudinal fibular deficiency is "the congenital absence of the fibula and it is the most common congenital absence of long bone of the extremities." It is the shortening of the fibula at birth, or the complete lack thereof. In humans, the disorder can be noted by ultrasound...
- SirenomeliaSirenomeliaSirenomelia, alternatively known as Mermaid Syndrome, is a very rare congenital deformity in which the legs are fused together, giving them the appearance of a mermaid's tail....