You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is "Trident hand" seen in and explain in detail?
Ans is 'a' i.e. achondroplasia Trident hand: The hands are short and broad. The central 3 digits being divergent and of almost equal length.More about Achondroplasia Inheritance - AD*It is caused by failure of normal ossification of bones, mainly the long bones* resulting in dwarfism.Dwarfism is disproportionate * since growth of the trunk is only marginally affected. US/LS is >1*Shortening is specially marked in the proximal segments* of the limbs.Intelligence is normal*There is marked lumbar lordosis which may occasionally lead to compression of the spinal cord.