As mentioned above, mastoiditis most often develops as a result of a middle ear infection. Bacteria from the middle ear can travel into the air cells of the mastoid bone. In addition, a type of skin cyst in the middle ear, called a cholesteatoma, may block drainage of the ear, leading to mastoiditis. Mastoiditis symptoms may include: Fever, irritability, and lethargy.
LINK / CITE ADD TO WORD LIST. noun. The definition of a streak is a flash of light or a long thin line that stand out in color or texture from its surroundings. An example of a streak is a strip of red in otherwise blonde hair.
A vein is a blood vessel or a distinctive style. Vain means self admiring or futile. (The term in vain means without success). A vane is a stabilizing fin or blade. The words vein, vain, and vane sound identical, but their meanings are very different. The noun vein has several meanings: A blood vessel that carries blood from the capillaries towards the heart. varicose veins A distinctive style or manner. A layer of ore or mineral between layers of rock.