WebMay 4, 2024 · Anterior semicircular canal, also called the “superior” canal, is vertically positioned in a manner dividing the right and left parts of the body.It runs perpendicular to the petrous part of the temporal bone (a … WebDec 13, 2016 · The ear canal is entirely encased by the temporal bone closer to the tympanic membrane (TM). But, the temporal bone has a bony shelf (Figure 2) at the inferior portion that can extend well into, and even …
The Skull Anatomy and Physiology I - Lumen Learning
WebJun 7, 2024 · Auricle: The outwardly visible part of the ear is composed of skin and cartilage, and attaches to the skull. It has an outer (lateral) and an inner (medial) aspect. The inner aspect serves as an attachment, and the outer is instrumental in hearing and has characteristic ridges and grooves. Notable among these is the outer rim or helix, which ... WebPertinent Anatomy. External Ear: The ear (external auditory) canal is covered by skin. The skin closer to the outside of the ear is thick, has hair, and produces ear wax (cerumen). … diagram\u0027s zr
Acoustic Neuroma (Vestibular Schwannoma) Johns Hopkins Medicine
WebThe bony openings of the skull include the _____ a. carotid canal, which is located in the anterior cranial fossa b. superior orbital fissure, which is located at the superior margin of … WebJun 15, 2024 · Superior aspect of the cartilaginous part of the pharyngotympanic (Eustachian) tube; Greater wing of the sphenoid bone; Bony canal of the tensor tympani muscle in the petrous part of the temporal bone: Insertion: Upper portion of the handle of the malleus: Innervation: Nerve to medial pterygoid muscle (a branch of the mandibular … WebThe bony labyrinth (also osseous labyrinth or otic capsule) is the rigid, bony outer wall of the inner ear in the temporal bone. It consists of three parts: the vestibule, semicircular canals, and cochlea. These are cavities hollowed out of the substance of the bone, and lined by periosteum. They contain a clear fluid, the perilymph, in which ... diagram\u0027s ze