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Results 1 - 2 of 2 for Absent paranasal sinuses
  1. Bosma arhinia microphthalmia syndrome 
    ... palate), absence of the sinuses behind the nose (paranasal sinuses), blockage of the nasal passages (choanal atresia), narrowing ...
    https://medlineplus.gov/.../bosma-arhinia-microphthalmia-syndrome - Genetics
  2. Bronchi, Bronchial Tree, and Lungs From the National Institutes of Health (National Cancer Institute)  
    Acute Bronchitis/Reference Desk ... Acute Bronchitis ... Chronic Bronchitis/Reference Desk ... Chronic Bronchitis ... Bronchial Disorders/Reference Desk ... Bronchial Disorders
    https://training.seer.cancer.gov/.../passages/bronchi.html - External Health Links