
thumb|upright|Sirenomelia Sirenomelia, also called mermaid syndrome, is a rare congenital deformity in which the legs are fused together, giving the appearance of a mermaid's tail, hence the nickname.
via Wikipedia infobox
via PubMed
thumb|upright|Sirenomelia Sirenomelia, also called mermaid syndrome, is a rare congenital deformity in which the legs are fused together, giving the appearance of a mermaid's tail, hence the nickname.
== Classification == left|thumb|Classification of sirenomelia by the presence or absence of bones within the lower limb. I) all bones of thigh and lower leg present II) fused fibula III) fibula absent IV) partially fused femur, fused fibula V) partially fused femur VI) fused femur, fused [[tibia VII) fused femur, tibia absent]]Sirenomelia is classified by the skeletal structure of the lower limb, ranging from class I, where all bones are present and only the soft tissues are fused, to class VII where the only bone present is a fused femur.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).