Adnexa Of The Eye

Question 1

What is the globe?

Answer 1

The eyeball

Question 2

What is the globe housed in? And what surrounds the globe?

Answer 2

Orbit
Lots of fat

Question 3

3 functions of the adnexa of the eye

Answer 3

Protection from light, heat and trauma
Movement of the eye in 3D
Keep the exposed parts if the eye moist

Question 4

Use adnexa diagrams on Quizlet to test on gross anatomical features

Question 5

Give the shape of the orbit and its position on the skull

Answer 5

Cone shaped
On lateral surface of skull

Question 6

In what species is the orbit entirely bony?
In what species in the orbit only partially bony and what makes up the rest of the orbit?

Answer 6

Humans and primates

Only osseous medially and dorsally in domestic species and is completed by an orbital ligament

Question 7

Name the 3 conical layers surrounding the eyeball from superficial to deep.

Answer 7

Periorbita —> superficial muscular fascia —> deep muscular fascia

Question 8

What tissue type is the periorbita?
At what points does the periorbita blend with the periosteum?
What part of the orbit does the periorbita form?
Wheee is the periorbita attached?

Answer 8

Fibrous tissue (thick)
At the orbital margin and at the medial/dorsal orbit.
Ventrolateral.
Attached near the optic foramen.

Question 9

What is the optic foramen?

Answer 9

The opening through which the optic nerve travels back into the brain.