Question

What is fibrous Tunic Of eye?

Answer 1

Explanation:

Outer coat (fibrous tunic)

Outer coat (fibrous tunic)The eye's outer layer is made of dense connective tissue, which protects the eyeball and maintains its shape. It is also known as the fibrous tunic. The fibrous tunic is composed of the sclera and the cornea. The sclera covers nearly the entire surface of the eyeball.

Answer 2

Fibrous Tunic:-

• This is the outermost layer of covering of eye ball.

• It's composed of dense connective tissue.

• It is mesodermal in origin.

• The Fibrous Tunic of eye has two parts:-

1. Cornea
2. Sclera

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Cornea:-

• It's the viable part of the tunic.

• It's covered by Non-keratinised stratified squamous epithelium.

• It lacks blood vessels.

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Sclera:-

• It's also known as Sclerotic layer.

• It's made up of hard thick white fibrous tissue.

• It's opaque.

• It is non-vascilarised.

• This is also known as "White of eye".

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The joint between Sclera and Cornea is called Limbus or Sclero-corneal junction.

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Knowledge Cell:-

What's Conjunctiva?

• It's a translucent membrane present in the inner layer of eyelids.

• It's made up of epidermis of skin.

• Conjunctiva is the thinnest epidermis in animal body