GROSS ANATOMY

GROSS ANATOMY

ORBIT EYE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Approximately how many glands are found in the upper eyelid and lower lid respectively?
A
20-30 in upper and 30-40 in lower
B
30-40 in upper and 20-30 in lower
C
40-50 in upper and 30-40 in lower
D
35-45 in upper and 45-55 in lower
Explanation: 

Detailed explanation-1: -They are made of dense connective tissue and contain the Meibomian glands and eyelash follicles. There are approximately 30 meibomian glands in the upper eyelid and 20 meibomian glands in the lower eyelid.

Detailed explanation-2: -There are approximately 20 to 30 meibomian glands on the lower lid and 40 to 50 on the upper lid. Healthy glands are easily visualized by illumination of either lid, and appear as grape-like clusters attached to a central stalk.

Detailed explanation-3: -Did you know that you have approximately 75 oil glands in the eyelids of each eye? These glands are called Meibomian glands and are located just behind the eyelash follicles. Their important role is to secret Miebum, which is oil, into your tear film.

Detailed explanation-4: -Meibum prevents tear spillage onto the cheek, trapping tears between the oiled edge and the eyeball, and makes the closed lids airtight. There are approximately 50 glands on the upper eyelids and 25 glands on the lower eyelids.

Detailed explanation-5: -Meibomian glands are oil glands along the edge of the eyelids where the eyelashes are found. These glands make oil that is an important part of the eye’s tears. The oily layer is the outside of the tear film that keeps tears from drying up too quickly.

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