Eyelids

Question 1

Eyebrow

Answer 1

thick skin covered by characteristic sort, prominent hairs extending across the superior orbital margin

Question 2

Frontalis

Answer 2

Main elevator of eyebrows and forehead

Raise eyebrow for look of surprise

Question 3

Currugator

Answer 3

Medial depressor of eyebrow

moves brow medially

Question 4

Procerus

Answer 4

Medial depressor of eyebrow

pulls medial portion of brow inferior

Question 5

Orbicularis Oculi

Answer 5

primary lateral depressor of eyebrow

closes eyelid

Question 6

Palpebrae

Answer 6

"eyelids"
function (1) covers globe for protection, (2) moves the tears towards drainage, (3) spread tear film over the anterior surface of the eye on opening, (4) contain glands that produce the tear film

Question 7

Palpebral fissure

Answer 7

Area between the open eyelids

Question 8

Superior palpebral crease

Answer 8

crease above eye when eyelids closed

think eye shadow

Question 9

Inferior palpebral crease

Answer 9

lines the bottom of the eye orbit, indicates the extension of the conjuctiva

Question 10

Malar crease

Answer 10

on outer cheek below eye.

think malar rash/butterfly rash

Question 11

nasojugal crease

Answer 11

medial line below the inferior palpebral crease

think dark circle around eye

Question 12

lateral canthus

Answer 12

lies directly on the globe, where the upper and lower eyelid meet at the corners of the palpebral fissure

Question 13

medial canthus

Answer 13

medial orbital marginal, but separated from the globe by a reservoir for the pooling of tears

Question 14

lacrimal lake

Answer 14

pooling of tears near the medial canthus

Question 15

plica semilunaris

Answer 15

the floor of the lacrimal lake
narrow, crescent-shaped fold of conjunctiva
allows lateral movement of the eye

Question 16

carnuncle

Answer 16

small pink mass of modified skin just medial to the plica

Question 17

superior palpebral sulcus

Answer 17

“upper eye lid”

separates the upper lid into the tarsal and orbital

Question 18

inferior palpebral sulcus

Answer 18

“lower eye lid”

seperates lower lid into tarsal and orbital

Question 19

eyelid margin

Answer 19

rests against globe
contains eyelashes (cilia) and pores of meibomian gland

Question 20

eyelashes

Answer 20

arranged at the lid margin in a double or triple row
150 upper and 75 lower
very sensitive, elicit a protective response

Question 21

Meibomian gland

Answer 21

located posterior to the cilia and trasition from skin to conjunctiva

Question 22

gray line

Answer 22

runs between the cilia insertion and the pores of the meibomian gland
divides muscles and glands

Question 23

lacrimal papilla

Answer 23

divides lacrimal portion and cilliary portion of eyelid

contains the lacrimal punctum

Question 24

Layers of the the eyelid

Answer 24

1. skin
2. subcutaneous
3. orbicularis
4. orbital septum
5. posterior muscular system
6. tarsal plate
7. palpebral conjunctiva

Question 25

skin layer

Answer 25

FIRST LAYER | thinnest layer