and CORRECT Answers
What 3 regions of the conjunctiva form the conjunctival sac? - CORRECT ANSWER -
palpebral, forniceal, & bulbar conjuctiva
Palpebral conjunctiva lines the - CORRECT ANSWER - underside of eyelids
The palpebral conjunctiva is subdivided into: - CORRECT ANSWER - marginal, tarsal,
and orbital conjunctiva
Which region of conjunctiva forms the mucocutaneous junction? - CORRECT ANSWER -
marginal conjuctiva
Forniceal conjunctiva allows for - CORRECT ANSWER - free movement of the globe
Why is there no medial forniceal conjuctiva? - CORRECT ANSWER - the plica and
caruncle are present instead (they are part of the bulbar conjuctiva)
Plica semilunaris - CORRECT ANSWER - Crescent shaped fold of bulbar conjunctiva,
allows for full lateral movement of the eye without tissue stretching, makes up the floor of the
lacrimal lake, contains a high concentration of goblet cells
Caruncle - CORRECT ANSWER - mound of bulbar conjunctiva/skin, overlies the medial
edge of plica, function is poorly understood but the hairs trap mucus, oil, and debris
Conjunctival elements of the caruncle - CORRECT ANSWER - non-keratinized epithelial
cells, goblet cells, accessory lacrimal glands of Krause and Wolfring