أبسط شرح للأذن (الأذن الخارجيه-الأذن الوسطي - الأذن الداخليه) || ANATOMY OF THE EAR

أبسط شرح للأذن (الأذن الخارجيه-الأذن الوسطي - الأذن الداخليه) || ANATOMY OF THE EAR Structures of the External, Middle, and Inner Ear The structures of the ear can be divided into three main portions: external, middle, and inner . The external ear consists of the auricle and the external auditory meatus. The external auditory meatus is a sound-conducting canal that terminates at the tympanic membrane of the middle ear. The narrow, air-filled middle ear, or tympanic cavity, communicates with both the mastoid antrum and the nasopharynx. Air is conveyed from the nasopharynx to the tympanic cavity through the eustachian tube (auditory tube). The middle ear consists of the ما عليك سوى الانتساب إلى هذه القناة للاستفادة من المزايا:    / @elmo5tasar_elmofed