Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) X-linked adrenal hypoplasia congenita ?
    ### Response:
    X-linked adrenal hypoplasia congenita is an inherited disorder that mainly affects males. It involves many hormone-producing (endocrine) tissues in the body, particularly a pair of small glands on top of each kidney called the adrenal glands. These glands produce a variety of hormones that regulate many essential functions in the body.
    