Gross Anatomy of Ear Vocab

Tympanic Part of Temporal Bone
The Area of the External Temporal Bone that is around the External Acoustic Auditory Meatus

Tympanic Canaliculus
The canal/hole between the Carotid Canal and Jugular Fossa that allows the Tympanic Nerve of IX to enter the middle ear

Auditory Tube
Another name for the Eustachian Tube

The external part of the ear that allows for localization of sound on the Vertical Axis. Midrange Frequencies pass easily

3 Layers of the Tympanic Membrane
Outer – Ectoderm, Middle – Mesoderm, Inner – Endoderm

How to tell side of ear from Tympanic Membrane
The Cone of light points in the direction that corresponds to the side of Ear

Name for all the 3 bones of the middle ear

The Ossicles that presses against the tympanic Membrane

Middle bone of the Ossicles

The bone that articulates with the Cochlea

Tensor Tympani
Muscle that attaches to the Malleus and dulls sound during vocalization

Stapedius Muscle
Muscle that attaches to the Stapes and dulls sound during vocalization

Handle of the Malleus that literally attaches to the Tympanic Membrane

Pyramidal Eminence
A protrusion of the mucous membrane that follows the exit of the Stapedius Muscle

Geniculate Ganglion
A Ganglion for the Chorda Tympani Nerve on the Facial Nerve which is the Cell body for Taste

Epitympanic Recess
A recess above the Tympanic Membrane in the Middle Ear

Tympanic Cavity
Part of the Middle Ear

Ductus Reuniens
The canal connecting the Cochlear Duct with the Saccule

Organ of Corti
The sense organ for Hearing

Vestibular Membrane
Membrane Separating Scala Vestibuli and Scala Media

Reissner’s Membrane
Another name for Vestibular Membrane

Scala Vestibuli
Entrance for Sound Canal in Cochlear

Scala Media
Contains Organ of Corti

Scala Tympani
Exit for Sound Canal in Cochlear

The apex of the Cochlear connecting the Scala Vestibuli and Scala Tympani

Stria Vascularis
A layer of vascular tissue located on the outer wall of the Cochlear Duct

Tectorial Membrane
The membrane that is attached to hair cells to cause depolarization.

The attachment area of the Tectorial Membrane on the inner wall of the Scala Media

Central area of the Cochlea, contains neuronal cell bodies for Cochlear Nerve

Spiral Ligament
Allows attachment for the Basilar Membrane to the outer wall of the Cochlear Duct

Tunnel of Corti
The tunnel between the inner and outer hair cells

Cuticular Plate
The apical part of hair cells that allow an anchor for the stereocilia

Spiral Ganglion Cells
The ganglion cells within the Modiolus

Olivocochlear Bundle
The fibers going from the Inferior Olivary Complex to the Cochlea

Cerebellar Angle
The area between the Cerebellum and Pons

Acoustic Stria
Fibers from the Cochlear Nucleus to various secondary brain stem auditory nucleus

Osseous Spiral Lamina
Spicula of bone that serves as an attachment for the Basilar Membrane

Sounds are excessively loud

Transverse Gyri of Heschil
The sound gyrus in the transverse temporal lobe

Trapezoid Body
Ventral Stria crossing

Corona Radiata
Fibers from the Internal Capsule to the Cortex

Heschl’s Gyri
The Transverse Temporal Gyrus for Sound

the pinna (outer ear) the outer part of the ear that you can see the external auditory meatus (outer ear) the entrance to the ear canal WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR …

anvil anvil – (also called the incus) a tiny bone that passes vibrations from the hammer to the stirrup cochlea cochlea – a spiral-shaped, fluid-filled inner ear structure; it is lined with cilia (tiny hairs) that move when vibrated and …

otosclerosis conduction deafness caused by the fusion of the ossicles tympanic the thin membrane that serves as the entrance into the middle ear WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write …

Olfaction • Volatile molecules are odorants that must be dissolved in mucus of nasal cavity to be detected. • Olfactory epithelium lines superior nasal cavity, including superior nasal conchae and inferior surface of cribriform plate of ethmoid bone Olfaction (unlabeled) …

External Ear (consists of) – the Auricle -lobe -trygus -external auditory canal (meatus) Auricle (AKA…) (is made of?) Pinna -made of flexible cartilage WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write …

conjunctiva – Thin Membrane that lines the eyelids – Also folded over the white of the eye-merging with cornea – Secretes mucus to lubricate the eye medial canthus inner corner of the eye where the upper and lower eyelids meet …

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