Eyelids

Question 1

Structure layers

Answer 1

These are two movable folds of tissue situated above and below the front of each eye. There are short curved hair, the eyelashes situated on their free edges. The layers of tissue which form the eyelids are:
• A thin covering of skin.
• A thin sheet of areolar tissue.
• Three muscles—the orbicularis oculi, levator palpebrae superioris and Muller’s muscle.

Question 2

More layers

Answer 2

Submuscular CT
OO plus Tarsal plate k darmiyan
Fibrous layer
Palprebral fascia+tarsal plqte
Levator muscle aponeurosis
Muller's muscle

Question 3

Jogi k andar

Answer 3

skin.
A thin sheet of areolar tissue.
Three muscles—the orbicularis oculi, levator palpebrae superioris and Muller’s muscle.
• A thin sheet of dense connective tissue, the tarsal plate, larger in the upper than in the lower eyelid. It supports the other structures.
• A lining of palpebral conjunctiva

Question 4

Lid margin

Answer 4

Eyelashes
Glands of Zeis and moll
Meibomian glands

Question 5

Glands
Skin
Tarsal
Lid margin
Moll glands

Answer 5

Skin: sebaceous and sweat glands Tarsal plate:Meibomian glands are 30-40 upper and 20-30 in lower tarsal plates they open in eyelid margin and produce oily secretion for tear film
Lid margin: glands of zeis are modified sebaceous glands attached to the lash follicle
Glands of moll : these are sweat glands that lie obliquely in contact with the bulb of an eyelash

Question 6

Blood supply and lymphatic

Answer 6

Medial and palpebral branches of ophthalmic and and lacrimal artery
Preauricular
Submandibular

Question 7

Nerve supply

Answer 7

Supplies leave letter muscle facial nerves supplies orbiqlarious oculy muscle sympathetic nerves supplies mulars muscle s of thermic and maxillary division supply drop clear nerve Supra orbital nerve lacrimal nerve lower Island by Infra orbital nerve lacrimal nerve