Jan 5, 2020 · The tegmen tympani, also known as the tegmental wall or roof of the tympanic cavity, is a thin plate of the petrous part of the temporal bone that separates the intracranial …

Feb 19, 2025 · tegmen antri (roof of the antrum), which is often described as part of either tegmen tympani or tegmen mastoideum 2; uncommonly described separately 3,4 tegmen tubari (roof …

Apr 29, 2023 · The tegmentum forms the majority of the midbrain, lying between the quadrigeminal plate (tectum) and aqueduct posteriorly and the cerebral peduncles and …

Nov 9, 2024 · The tensor tympani muscle acts to pull down the handle medially, which in turn tenses the tympanic membrane and therefore reduces the amplitude of its oscillations. This …

The tegmentum tympani is intact. Fluid in the adjacent mastoid air cells. Small amount of soft tissue in the left middle ear. The ossicular chain is intact. Normally aerated mastoid air cells.

The tegmentum tympani is intact. Fluid in the adjacent mastoid air cells. Small amount of soft tissue in the left middle ear. The ossicular chain is intact. Normally aerated mastoid air cells.

Dec 31, 2020 · The tympanic part of the temporal bone is situated inferiorly to the squamous part and anteriorly to the mastoid part.. Gross anatomy. The tympanic part of the temporal bone is …

Jul 9, 2020 · The superior wall or roof of the mastoid antrum is known as the tegmen mastoideum, which continues anteriorly as the tegmen tympani. Peripherally, the antrum intercommunicates …

Aug 28, 2017 · The tegmen is the thin osseous plate that separates the middle cranial fossa from the tympanic and mastoid cavities of the temporal bone. It is comprised 1,2: tegmen tympani …

Sep 13, 2022 · The scutum (plural: scuta) is a sharp bony spur that is formed by the superior wall of the external auditory canal and the lateral wall of the tympanic cavity. It forms the lateral …