The sclera, [note 1] also known as the white of the eye or, in older literature, as the tunica albuginea oculi, is the opaque, fibrous, protective outer layer of the eye containing mainly collagen and some crucial elastic fiber. [2]In the development of the embryo, the sclera is derived from the neural crest. [3] In children, it is thinner and shows some of the underlying pigment, appearing ...

2024年2月7日 · What type of tissue is the sclera? The sclera is made of tough collagen fibers. Collagen is a protein that’s the main ingredient in your body’s skin, muscles, bones and connective tissues.. The collagen fibers in your sclera crisscross each other in a random pattern that makes the sclera strong and flexible.

As the eye's main load-bearing connective tissue, the sclera is centrally important to vision. In addition to cooperatively maintaining refractive status with the cornea, the sclera must also provide stable mechanical support to vulnerable internal …

2024年10月10日 · The sclera is commonly known as the white of the eye. It’s the opaque tissue that surrounds your entire eyeball, except for the clear cornea (the covering in

1.2.1. Collagens. In the sclera, type I collagen is by far the major contributor at around 95%, with types III , V and VI making up the remaining 5% (Keeley et al., 1984; Thale and Tillmann, 1993).Scleral collagen structure is hierarchical ().Tropocollagen molecules of length ~300nm are composed of three polypeptide alpha-helix chains of repeating Gly-X …

2023年9月29日 · The sclera is the white outer coating of the eye. It is tough, fibrous tissue that extends from the cornea (the clear front section of the eye) to the optic nerve at the back of the eye. The sclera gives

La sclérotique forme le blanc de l'œil humain. La sclérotique blanche entoure l'œil de porc.. La sclère, ou sclérotique, est une membrane blanche et opaque, très résistante, de structure tendineuse et d'épaisseur de 1 à 2 mm, qui forme le « blanc » de l'œil.Elle est formée d'un tissu conjonctif dense et peu vascularisé.

2023年10月30日 · The fibrous outer layer of the eye is made up of the cornea and sclera. The sclera is the opaque white posterior part of this outer layer. It protects the inner eye contents and gives structural integrity to the eye. The sclera is continuous anteriorly with the cornea and posteriorly with the dural sheath of the optic nerve.

2016年3月28日 · The outer layer of the eye. This is the "white" of the eye.

2021年8月24日 · La sclère est la partie blanche de l’œil qui entoure la cornée.En fait, la sclère forme plus de 80 % de la surface du globe oculaire, se prolongeant de la cornée jusqu’au nerf optique, qui ressort à l’arrière de l’œil.Seule une petite portion de la sclère antérieure est visible.