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  2. Tympanic cavity - Wikipedia

    en.wikipedia.org/wiki/Tympanic_cavity

    The Atticus is the part of the tegmentum tympani where the stapes and incus are attached. The floor of the cavity (also called the jugular wall) is narrow, and consists of a thin plate of bone (fundus tympani) which separates the tympanic cavity from the jugular fossa. It presents, near the labyrinthic wall, a small aperture for the passage of ...

  3. Trigeminal motor nucleus - Wikipedia

    en.wikipedia.org/wiki/Trigeminal_motor_nucleus

    The trigeminal motor nucleus contains motor neurons that innervate muscles of the first branchial arch, namely the muscles of mastication, the tensor tympani, tensor veli palatini, mylohyoid, and anterior belly of the digastric. [1] It is situated in the upper pons, inferior to the lateral part of the floor of the fourth ventricle. [2]

  4. Oculomotor nucleus - Wikipedia

    en.wikipedia.org/wiki/Oculomotor_nucleus

    From this nucleus the fibers pass forward through the tegmentum, the red nucleus, and the medial part of the substantia nigra, forming a series of curves with a lateral convexity, and emerge from the oculomotor sulcus on the medial side of the cerebral peduncle.

  5. Ear - Wikipedia

    en.wikipedia.org/wiki/Ear

    In detail, the pinna of the outer ear helps to focus a sound, which impacts on the eardrum. The malleus rests on the membrane, and receives the vibration. This vibration is transmitted along the incus and stapes to the oval window. Two small muscles, the tensor tympani and stapedius, also help modulate noise.

  6. Tegmentum - Wikipedia

    en.wikipedia.org/wiki/Tegmentum

    The tegmentum area includes various different structures, such as the rostral end of the reticular formation, several nuclei controlling eye movements, the periaqueductal gray matter, the red nucleus, the substantia nigra, and the ventral tegmental area. [3] The tegmentum is the location of several cranial nerve nuclei. The nuclei of CN III and ...

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  9. Eardrum - Wikipedia

    en.wikipedia.org/wiki/Eardrum

    The right membrana tympani with the hammer and the chorda tympani, viewed from within, from behind, and from above Auditory tube, laid open by a cut in its long axis Chain of ossicles and their ligaments, seen from the front in a vertical, transverse section of the tympanum (tympanic cavity)