AMU Medical AMU Solved Paper-1998

  • question_answer
    In vertebrates the nerve growth factor occurs in the

    A)  salivary secretions

    B)  gastric secretions

    C)  pancreatic secretion

    D)  lacrymal secretion.

    Correct Answer: A

    Solution :

    : The first neurotrophin to be characterized was nerve growth factor (NGF), a protein growth factor that is necessary for the growth and maintenance of sympathetic neurons and some sensory neurons. It is present in a broad spectrum of animal species, including humans, and is found in many different tissues. In male mice, there is a particularly high concentration in the submandibular salivary glands.


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