Definition of sclera in English:

sclera

noun ˈsklɪərəˈsklɪrə

Anatomy

The white outer layer of the eyeball. At the front of the eye it is continuous with the cornea.
〔剖〕巩膜
Example sentencesExamples
- More anteriorly, the optic nerve is surrounded only by the smooth meningeal or inner layer of the dura, which blends with the sclera of the eyeball.
- The remaining chapters include discussions of tumors of the orbit, eyelid, conjunctiva, cornea and sclera, uvea, and optic nerve.
- Over the sclera lies the conjunctiva, a clear mucous membrane that protects the eye from becoming dry.
- At the external border between the cornea and the sclera is the external scleral sulcus depression.
- The limbus is the thin area that connects the cornea and the sclera, the white part of the eye.

Derivatives

scleral

adjective ˈsklɪərəlˈsklɛrəl

Anatomy

Physical exam reveals scleral icterus, an enlarged liver that is firm to palpation, and occasional splenomegaly.
Example sentencesExamples
- On examination, the patient appears nontoxic, is afebrile, has normal visual acuity, and demonstrates moderate bilateral conjunctival and scleral erythema, serous discharge, conjunctival swelling, and a tender preauricular node.
- Surgical options include ulcer debridement, conjunctival resection, corneal graft, application of tissue adhesives, sclerectomy, and scleral patch grafting.
- The surgeon creates a scleral pocket by dissecting posteriorly, undermining the tissue with Wescott scissors.
- In some cases a scleral buckle, a tiny synthetic band, is attached to the outside of the eyeball to gently push the wall of the eye against the detached retina.

Origin

Late 19th century: modern Latin, from Greek sklēros 'hard'.

Definition of sclera in US English:

sclera

nounˈsklirəˈsklɪrə

Anatomy

The white outer layer of the eyeball. At the front of the eye it is continuous with the cornea.
〔剖〕巩膜
Example sentencesExamples
- The remaining chapters include discussions of tumors of the orbit, eyelid, conjunctiva, cornea and sclera, uvea, and optic nerve.
- Over the sclera lies the conjunctiva, a clear mucous membrane that protects the eye from becoming dry.
- At the external border between the cornea and the sclera is the external scleral sulcus depression.
- More anteriorly, the optic nerve is surrounded only by the smooth meningeal or inner layer of the dura, which blends with the sclera of the eyeball.
- The limbus is the thin area that connects the cornea and the sclera, the white part of the eye.

Origin

Late 19th century: modern Latin, from Greek sklēros ‘hard’.

词汇	sclera
释义	Definition of sclera in English: sclera noun ˈsklɪərəˈsklɪrə Anatomy The white outer layer of the eyeball. At the front of the eye it is continuous with the cornea. 〔剖〕巩膜 Example sentencesExamples More anteriorly, the optic nerve is surrounded only by the smooth meningeal or inner layer of the dura, which blends with the sclera of the eyeball. The remaining chapters include discussions of tumors of the orbit, eyelid, conjunctiva, cornea and sclera, uvea, and optic nerve. Over the sclera lies the conjunctiva, a clear mucous membrane that protects the eye from becoming dry. At the external border between the cornea and the sclera is the external scleral sulcus depression. The limbus is the thin area that connects the cornea and the sclera, the white part of the eye. Derivatives scleral adjective ˈsklɪərəlˈsklɛrəl Anatomy Physical exam reveals scleral icterus, an enlarged liver that is firm to palpation, and occasional splenomegaly. Example sentencesExamples On examination, the patient appears nontoxic, is afebrile, has normal visual acuity, and demonstrates moderate bilateral conjunctival and scleral erythema, serous discharge, conjunctival swelling, and a tender preauricular node. Surgical options include ulcer debridement, conjunctival resection, corneal graft, application of tissue adhesives, sclerectomy, and scleral patch grafting. The surgeon creates a scleral pocket by dissecting posteriorly, undermining the tissue with Wescott scissors. In some cases a scleral buckle, a tiny synthetic band, is attached to the outside of the eyeball to gently push the wall of the eye against the detached retina. Origin Late 19th century: modern Latin, from Greek sklēros 'hard'. Definition of sclera in US English: sclera nounˈsklirəˈsklɪrə Anatomy The white outer layer of the eyeball. At the front of the eye it is continuous with the cornea. 〔剖〕巩膜 Example sentencesExamples The remaining chapters include discussions of tumors of the orbit, eyelid, conjunctiva, cornea and sclera, uvea, and optic nerve. Over the sclera lies the conjunctiva, a clear mucous membrane that protects the eye from becoming dry. At the external border between the cornea and the sclera is the external scleral sulcus depression. More anteriorly, the optic nerve is surrounded only by the smooth meningeal or inner layer of the dura, which blends with the sclera of the eyeball. The limbus is the thin area that connects the cornea and the sclera, the white part of the eye. Origin Late 19th century: modern Latin, from Greek sklēros ‘hard’.
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