A.聽小骨 B.肌肉 C.韌帶 D.神經(jīng) E.鼓膜
A.鼓鱗裂 B.巖鱗縫 C.鼓乳裂 D.巖鼓裂 E.乳突孔
A.聽小骨被覆黏膜的延續(xù) B.鼻腔黏膜的延續(xù) C.呼吸道黏膜上皮的延續(xù) D.口腔黏膜上皮的延續(xù) E.消化道黏膜上皮的延續(xù)