外耳道 - e-Anatomy - IMAIOS
The External Acoustic Meatus (meatus acusticus externus; external auditory canal or meatus) extends from the bottom of the concha to the tympanic membrane : It is about 4 cm. in length if measured from the tragus; from the bottom of the concha its length is about 2.5 cm.
External acoustic meatus: Anatomy and function - Kenhub
2024年3月5日 · The external acoustic meatus, also known as the external auditory canal or simply the ear canal, is a slightly S-shaped tube situated within the tympanic portion of the temporal bone. Its entrance is lies just in front of the mastoid process of the temporal bone.
耳道 - 维基百科，自由的百科全书
2024年1月11日 · 耳道（ ear canal ）又称外耳道（external acoustic/auditory meatus，EAM），是外耳到中耳的通道，与耳廓一同组成了外耳 [2] [3] 。 人的耳道从 耳廓 延伸到 鼓膜 ，长约2.5厘米（1英寸），直径约0.7厘米（0.3英寸）。
External auditory canal | Radiology Reference Article - Radiopaedia.org
2024年7月31日 · The external auditory canal (EAC) or external auditory meatus (EAM) extends from the lateral porus acusticus externus medially to the tympanic membrane.
外耳道 - 百度百科
外耳道：外耳道是自耳甲腔深处的 外耳 门向内侧延伸到鼓膜的弯曲管道，可把耳郭收集的声波传导至鼓膜，方向是先向内前上，转向内后上，再转向内前下；在成人长约2.5～3.5cm。 因鼓膜位置倾斜，故外耳道的前下壁(3.1cm)较后上壁(2.5cm)为长。
External acoustic meatus: what is it and where is it located?
2024年9月16日 · The external acoustic meatus, also known as the external auditory meatus or ear meatus, is a vital part of the ear's anatomy that plays a crucial role in hearing. Located in the external auditory canal, this bony and cartilaginous passage guides sound waves from the outer ear to the eardrum .
外耳道 - e-Anatomy - IMAIOS
The external acoustic meatus is a bony canal for the ear canal, a tube running from the outer ear to the middle ear.
External acoustic meatus - Structure, Location and Function
2024年9月23日 · The external acoustic meatus (ear canal) plays several important roles in the auditory system, serving as the primary conduit for sound waves to reach the tympanic membrane. Its structure is designed to enhance sound conduction, provide protection to the middle and inner ear, and help maintain the health of the ear canal.
External acoustic meatus | Encyclopedia | Anatomy.app | Learn …
The external acoustic meatus (also external auditory canal, external auditory meatus or ear canal, Latin: meatus acusticus externus) is an air-filled tubular space that extends from the auricle of the external ear into the temporal bone to the tympanic membrane.
External ear | Radiology Reference Article - Radiopaedia.org
2024年7月20日 · The external ear (or outer ear) comprises the auricle (or pinna), the external auditory meatus, and the tympanic membrane ("eardrum"). The auricle concentrates and amplifies sound waves and funnels them through the outer acoustic pore into the external auditory meatus to the tympanic membrane.