Anatomy study note · Head and neck

Sclera

The opaque white posterior part of the outer fibrous coat of the eyeball, made of dense fibrous tissue.

Key points

• Outer fibrous coat (opaque).
• Lamina cribrosa: optic nerve exit.
• Joins the cornea at the limbus.
• Sclera: outer mesoderm (like dura).
• Sclera: avascular fibrous CT, posterior ⅚.

The full note in the atlas also covers

Features · Histology · Development

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Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 12, PDF pp. 1594–1596
• Inderbir Singh’s Human Embryology, ch. 19, PDF pp. 356, 359
• BRS Cell Biology & Histology, 7th ed., ch. 21, PDF p. 379

More from the head and neck

• Skull
• Sphenoid bone
• Sternocleidomastoid
• Sternohyoid
• Sternothyroid
• Stylohyoid
• Stylopharyngeus
• Subclavian artery
• Subclavian vein
• Sublingual gland
• Submandibular gland
• Superficial and regional cervical lymph nodes

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