Anatomy of the Conjunctiva

Question 1

What nerve supplies the conjunctiva?

Answer 1

CNV1

Infraorbital nerve supplies the inferior part

Question 2

What is the limbus nerve supply?

Answer 2

Long ciliary nerve

Question 3

What is the blood supply to the conjunctiva?

Answer 3

Peripheral and marginal arcades of the eyelid supply the palpebral and forniceal part of the conjunctiva
Bulbar part is supplied by the posterior and anterior conjunctival arteries

Question 4

How is the lymph drained from the conjunctiva?

Answer 4

Drains to the submandibular nodes medially and lateral parts drain to the periauricular nodes

Question 5

What is the conjunctiva?

Answer 5

This is a continuation of the eyelid, a translucent mucous membrane which covers the anterior globe and terminates at the corneoscleral limbus.

Question 6

What are the three parts of the conjunctiva?

Answer 6

Palpebral
Forniceal (a loose fold made, covering the posterior eyelid and anterior surface of eyelid)
Bulbar - thinnest part

Question 7

Where does the palpebral part of the conjunctiva start?

Answer 7

the mucocutaneous transitional zone of the lid margin.

Strongly adherent to the posterior part of the tarsal plates

Question 8

Where is the bulbar conjunctiva located?

Answer 8

thinnest part
coves anterior part of sclera
Loosely attached except at limbus - fuses with underlying sclera and tenons capsule