Cow Eye Dissection - Preview Video

What is the most anterior structure of the cow eye, which appears cloudy in preserved specimens due to denatured proteins?

• Retina

• Optic nerve

• Cornea

• Sclera

What is the primary function of the peri-orbital fat and connective tissue surrounding the eye?

• To provide nutrients to the eye

• To protect the delicate structures of the eye from damage

• To help focus light onto the retina

• To allow the eye to move freely

Which structure is responsible for transmitting visual information from the eye to the brain, and what structures enable the eye to move?

• Cornea and retina

• Lens and iris

• Optic nerve and eye muscles

• Sclera and choroid

He has now mentioned the term "posterior" several times. Using the context clues given, in what direction is posterior?

• Behind/Back

• Head/Front

What are the names of the liquid and jelly-like substances inside the eye that help maintain its shape, and what is the cream-colored material lining the inside of the eye that contains photoreceptors?

• Aqueous humor, vitreous humor, and retina

• Cornea, lens, and iris

• Sclera, choroid, and ciliary body

• Optic nerve, suspensory ligaments, and pupil

Make a prediction. What part of the eye, which has been mentioned already, do you think these axons are connected to?

What is the name of the area in the retina where axons pass through the back of the eye, and light cannot be detected?

• Fovea

• Macula

• Optic disc

• Pupil

Which iridescent, metallic-looking structure is found in the eyes of nocturnal animals and helps them see better at night by reflecting light, but is absent in humans?

• Choroid

• Sclera

• Tapetum

• Retina

What is the primary function of the choroid, the vascular, black-colored layer of the eye?

• To focus light onto the retina.

• To absorb excess light and prevent blurry vision.

• To change the shape of the lens.

• To protect the eye from external damage.

The term "anterior" has also been mentioned before in the video. What does the term anterior mean in dissection?

• Behind/Back

• Head/Front