Chapter 27-face And Neck Injuries Flashcards
What is the pinna?
The exposed part of the ear
What’s the Tragus?
A small, rounded, fleshy bulge immediately anterior to the ear canal
Mastoid process
About 1 inch posterior to the opening of the ear is a prominent bony mass called the mastoid process
Temporomandibular joint
Where motion of the mandible occurs. Lies just infront of the ear on both sides
Sternocliedomastoid muscles
They allow movement of the head
What percent of the eyeball if protected by the orbit?
More than 80%
Globe
Eyeball
Conjunctiva
A membrane that Covers the inner surface of the eye lid and the exposed surface of the eye itself
Lacrimal glands
Glands that produce a fluid that keeps the conjunctiva moist. (Tear glands)
Sclera
The white of the eye. Made of tough fibrous tissue that keeps the eyes global look and protects the inner structures
Cornea
A clear transparent membrane that covers the sclera on the end of the eye. It allows light to enter into the eye
Iris
A circular muscle that lies behind the cornea, it adjusts the size of the opening in the eye due to light it is pigmented which gives the eye it’s unique color
Pupil
The opening in the center of the iris, which allows light to move to the back of the eye
Anisocoria
A person born with pupils that are not equal
Lens
Like the lens of the camera, the lens focuses images on the light sensitive area at the back of the globe called the retina