What causes the mastoid bone to swell? Causes of mastoiditis The mastoid bone has a honeycomb-like structure that contains air spaces called mastoid cells. Mastoiditis
¿Cuál es el significado de Yulian? Etimología. Proviene del latín “iulianus” que significa proveniente de la familia de Julio, más concretamente, de Cayo Julio César.
Is glass a covalent bond? In glass forming (vitreous), the material elements of structure (L-G) have to be predominantly in covalent bonding, owing to spn-hybridization