Roof Of Tympanic Wall

Membranous wall lateral wall is formed mostly by the tympanic membrane and the bony wall of the epitympanic recess.

Roof of tympanic wall.

Tegmental wall roof is formed by the tegmen tympani. Facing the inner ear the medial wall or labyrinthic wall labyrinthine wall is vertical and has the oval window and. The tegmental wall or roof paries tegmentalis is formed by a thin plate of bone the tegmen tympani which separates the cranial and tympanic cavities. The roof of the.

It is situated on the anterior surface of the petrous portion of the temporal bone close to its angle of junction with the squama temporalis. Jugular wall floor is formed by a bone that separates the middle ear from the internal jugular vein. The tympanic cavity is bounded by. Tympanic cavity middle ear is bounded by the following six walls.

The roof of the cavity also called the tegmental wall tegmental roof or tegmentum tympani is formed by a thin plate of bone the tegmen tympani which separates the cranial and tympanic cavities. The borders forming the walls of the tympanic cavity are as following. It is prolonged backward so as to roof in the tympanic antrum and forward to cover in the semicanal for the tensor tympani muscle. Facing the outer ear the lateral wall or membranous wall is formed mainly by the tympanic membrane partly by the.