Accessory Structures Of The Eye Flashcards
What do the palpabrae do?
Protect the eye anteriorly
What are the palpabrae?
Eyelids
What is the palpebral fissure?
Separates the eyelids
What is the lacrimal caruncle?
Elevation at the medial commissure; contains oil & sweat glands
What are the tarsal plates?
Supporting connective tissue sheets for muscles
What are the two muscles that relate to the tarsal plates?
Orbicularus oculi muscle (closes eye)
Levator palpabrae superior is (opens eye)
What are the Tarsal Glands?
Lubricating modified sebaceous glands
What is the purpose of eyelashes?
To initiate the blinking reflex
What is the conjunctiva?
Transparent membrane
Produces a lubricating mucous secretion (prevents drying)
What is the conjunctiva that lines the eyelids?
Palpebral conjunctiva
What is the conjunctiva that covers the whites of the eyes?
Bulbar conjunctiva
What is conjunctivitis?
Inflammation; causing red irritated eyes
What is the lacrimal apparatus?
The lacrimal gland & associated ducts which connect to nasal cavity
What do the lacrimal glands secrete?
Tears
What tears contain?
Mucous
Antibobies
Lysozyme