external and internal lids and lacrimal apparatus

Question 1

The eyelashes are known as the _ and protect the eye surface by sweeping away airborne dust and foreign matter with blinking.

Answer 1

cilia

Question 2

The _ is the space between the eyelids when they are open.

Answer 2

palpebral fissure

Question 3

the point where the lids meet on the nasal side of the palpebral fissure is called the_ and the temporal junction of the lids is called the __

Answer 3

medial canthus, Lateral canthus

Question 4

The _ is a soft moveable fold of the bulbar conjunctiva medially

Answer 4

semiluanris plica

Question 5

the _ is medial to the plica having hairs with sebaeous glands for trapping matter in the corner of the eye.

Answer 5

caruncle

Question 6

the _ are moving folds of the skin that cover the outer portion of the eyeball,

Answer 6

eye lids

Question 7

the three layers of the eyelids are the outer layer of _ the middle layer of __ and the inside layer of __

Answer 7

skin, fibrous tissue and muscle, conjunctiva

Question 8

The _ is dense fibrous tissue that gives the eyelids their firmness and shape

Answer 8

tarsal plate

Question 9

the _ is the main upper lid elevator innervated by the third ( oculomotor) cranial nerve

Answer 9

levator palpebrae

Question 10

the _ is a secondary elevator of the upper lid contributing 2-3mm of lift and is innervated by the sympathetic nerves.

Answer 10

mueller’s muscle

Question 11

when we close our eyes they go up and this is called

Answer 11

bell’s phenomenon

Question 12

The _ muscle is responsible for lid closure and is innervated by the seventh ( facial) cranial nerve

Answer 12

orbicularis oculi

Question 13

The _ are long sebaceous glands in the follicles of the eyelashes for the oily layer in the tearfilm

Answer 13

glands of zeis

Question 14

The _ are tubes at the base of each cilia or between cilia

Answer 14

sweat glands of moll

Question 15

The_ spilts the lid into anterior and posterior portions

Answer 15

gray line

Question 16

the main lacrimal gland produces

Answer 16

daily tears, reflex tearing for foreign bodies and psychogenic tearing for strong emotion

Question 17

accessory lacrimal glands _ & _ below the palpebral conjunctiva supply most of the needed moisture to the conjunctival sac and cornea

Answer 17

krause, wolfring

Question 18

the parts of the secretory lacrimal apparatus are the

Answer 18

main lacrimal gland and accessory lacrimal glands

Question 19

the parts of the excretory lacrimal system are

Answer 19

puncton superior, inferior and common canaliculi, lacrimal sac amd nasolacrinnal duct

Question 20

the tears drain into the

Answer 20

nose

Question 21

the accessory glands of krause and wolfring assist the main lacrimal gland in producing the _ middle tear film layer

Answer 21

aqueous

Question 22

the _ in the epithelium of the palpebral conjunctiva produce the inner mucin layer of the tear film

Answer 22

golblet cells

Question 23

the main lacrimal gland is innervated by the

Answer 23

5th (trigemal nerve) 7th(facial nerve)