Ear/ Eye

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Space in front of the iris

Anterior chamber

Incus

Anvil

Area in front of the ciliary body & lens

Aqueous chamber

The compartment of the eye rostral to the lens

Aqueous chamber

Clear, watery fluid that fills the anterior & posterior chambers

Aqueous humor

Malleus

Hammer

Contains sensory receptors

Inner ear

Space behind the iris but in front of the lens

Posterior chamber

The ossicle in the middle ear that is shaped like a stirrup

Stapes

Stapes

Stirrup

The highly reflective area of the choroid in the back of the eye of most domestic animals.

Tapetum lucidium

The paper thin connective tissue membrane that is tightly stretched across the opening of the external ear canal into the middle ear.

Tympanic membrane

Area behind the ciliary body and lens

Vitreous compartment

The soft, gelatinous substance that fills the vitreous compartment in the eye

Vitreous fluid

Which cranial nerve connects to the ear and transmits information regarding hearing and balance? a. CN X- Vagus nerve b. CN VIII-Vestibulocochlear nerve c. CN VI- Abducent nerve d. CN IV- Trochlear Nerve

b. CN VIII- Vestibulocochlear nerve

Which of the following animal species do NOT have a tepetum lucidum? a. Horses b. Pigs c. Humans d. B and C e. All mammals have a tapetum lucidum

d. B and C

The opening in the center of the iris

pupil

Photoreceptors in the retina of the eye that perceive color and detail.

Cones

The clear "window" on the front of the eye that admits light to the interior of the eye. It is part of the outer fibrous layer of the eyeball.

Cornea

Photoreceptors in the retina of the eye that perceive dim light images in shades of gray

Rods

The medical prefix "dacry/o" refers to the: a. cornea b. eyelids c. tears d. conjunctiva

C. Tears

A portion of the middle vascular layer of the eye. It consists mainly of pigment and blood vessels and is located between the sclera and retina.

Choroid

In what structure are the sensory receptors for hearing located?

Cochlea

The tube that connects the middle ear cavity with the pharynx

Eustachian tube

What structure connects the middle ear with the pharynx?

Eustachian tube

Funnels sound waves

External ear

The pigmented muscular diaphragm that control stye amount of light that enters the caudal part of the eye.

Iris

The opening into the nasolacrimal drainage system that help carry tears away from the surface of each eye. They are located near the medial canthus on both the upper and lower eyelid margins

Lacrimal Puncta

Amplifies and transmits vibrations

Middle Ear

What are the 3 layers of the tear film in order from inside to outside?

Mucus layer, water (tear) layer, oil layer

The process of experiencing pain

Nociception

The inner nervous layer of the eye where the photoreceptors are located

Retinal

The lateral corner of the eye where the upper and lower eyelids come together.

canthus

The snail shell-shaped cavity in the temporal bone of the skull that contains the hearing portion of the inner ear.

cochlea

The transparent membrane that lines the inner portion of the eyelid

conjunctiva

The white portion of the eye that is part of the outer fibrous layer of the eyeball

sclera

another name for the middle vascular layer of the eye

uvea


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