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 Lower end of humerus ossifies from how many secondary ossification centers and explain in detail?
Ans. is 'c' i.e., 4The humerus ossifies from one primary center and 7 secondary centersThe upper end ossifies from 3 secondary centers head (1" year)agreater tubercle (2' year)alesser tubercle (5th year).The lower end ossifies from 4 secondary centers which form 2 epiphyses.The center (fouh center) for medial epicondyle appears at 4-6 years, forms a separate epiphysis and fuses with shaft during 20th year.