43+ Meatus Definition Anatomy Bone

External acoustic meatus, external auditory meatus.

43+ Meatus Definition Anatomy Bone. Meatus definition, an opening or foramen, especially in a bone or bony structure, as the opening of the ear or nose. The lower portion of the bone articulates with the mandible, forming the temporomandibular joint of the jaw.

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The canal is nearly 1 inch (2.5 cm) in length and is lined with skin that extends to cover the tympanic membrane. From wikipedia, the free encyclopedia. A body opening or passage, such as the opening of the ear or the urethral canal.

Squamous, petrous, and tympanic (see fig.

Projections formed where tendons and ligaments attach. It runs backward above the external acoustic meatus, and is continuous. The canal is nearly 1 inch (2.5 cm) in length and is lined with skin that extends to cover the tympanic membrane. Gross anatomy the temporal bone is divided.