Sinuses,Paranasal

《英文msh詞典》Sinuses,Paranasal
[入口詞] Sinuses,Paranasal
[主題詞] Paranasal Sinuses
[英文釋義] Air-filled extensions of the respiratory part of the nasal cavity into the frontal,ethmoid,sphenoid,and maxillary cranial bones. They vary in size and form in different individuals and are lined by the ciliated mucous membranes of the nasal cavity.