Conjunctiva

Question 1

Conjunctiva

Answer 1

translucent mucous membrane from limbus, over sclera, and lines eyelids

Question 2

Functions of Conjunctiva

Answer 2

smooth mvmt of eyelids of eye
lubricate eye by making mucus and tears
prevents microbes from entering eye

Question 3

Composition of Conjunctiva

Answer 3

stratified squamous and stratified columnar epithelium
goblet cells
melanocytes, T and B Cells

Question 4

Palpebral Conjunctiva

Answer 4

lines eyelids

Question 5

Bulbar Conjunctiva

Answer 5

covers sclera
translucent
w/in 3mm of cornea

Question 6

Conjunctival Fornix

Answer 6

connects palpebral and bulbar conjunctivas

Question 7

Lateral Conjunctival Fornix

Answer 7

deepest, extends posterior to equator of globe

14mm deep

Question 8

Medial Conjuntival Fornix

Answer 8

shallowest

7mm deep

Question 9

Superior and Inferior Conjunctiva Fornix

Answer 9

under upper and lower lids

8-10mm deep

Question 10

Mucocutaneous Junction

Answer 10

connects nonkeratinized and keratinized squamous palpebral conjuntival epithelium

Question 11

Plicae Semilunaris

Answer 11

crescent shaped fold of conjunctiva in medial canthus

Question 12

Plicae Semilunaris Composition

Answer 12

epithelium 8-10 cells thick
goblet cells
highly vascularized
adipose tissue
smooth m

Question 13

Plicae Semilunaris Function

Answer 13

allow full lateral mvmt without stretching tissue

Question 14

Caruncle

Answer 14

mound of tissue overlying medial edge of plica semilunaris

has nonkeratinized epithelium and accessory lacrimal glands and skin elements

Question 15

Blood Supply to Palpebral Conjunctiva

Answer 15

palpebral arcades

Question 16

Blood Supply to Conjuntival Fornices

Answer 16

branches from palpebral arcades

Question 17

Blood Supply to Bulbar Conjunctiva

Answer 17

tertiary branches of palpebral arcades

anterior conjunctival arteries from ant ciliary aa

Question 18

Venous Drainage of Conjunctiva

Answer 18

Conjunctival veins draining into palpebral and ophthalmic veins

Question 19

Lateral Lymph Drainage

Answer 19

Preauricular Lymph Node

maybe Parotid

Question 20

Medial Lymph Drainage

Answer 20

Submandibular Lymph Node

Question 21

Inn of Bulbar Conjunctiva

Answer 21

long ciliary nerves

Question 22

Inn of Superior Palpebral Conjunctiva

Answer 22

frontal and lacrimal branches of V1

Question 23

Inn of Inferior Palpebral Conjunctiva

Answer 23

lacrimal n and infraorbital branch of maxillary n

Question 24

Common causes of Conjunctivitis

Answer 24

bacterial and viral infection

allergic reaction

Question 25

Tenon’s Capsule

Answer 25

behind conjunctival stroma
cavity allowing globe movement
protects and supports globe
attaches globe to orbital connective tissue