posterior embryotoxon

embryotoxon

 [em″bre-o-tok´son]
anterior embryotoxon arcus corneae.
posterior embryotoxon Axenfeld's anomaly.

pos·te·ri·or em·bry·o·tox·on

a common developmental abnormality marked by a prominent white ring of Schwalbe.

pos·te·ri·or em·bry·o·tox·on

(pos-tēr'ē-ŏr em'brē-ō-tok'son)
A developmental abnormality marked by a prominent white anterior limiting ring and iris strands that partially obscure the chamber angle.

embryotoxon, posterior

A condition in which a thickened and anteriorly displaced Schwalbe's line is visible on external examination. The condition is inherited as an autosomal dominant trait. See gonioscopy; anterior limiting ring of Schwalbe; Alagille syndrome; Rieger's syndrome.
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