| Name: | anterior segment eye | 
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| Synonyms: | |
| Definition: | Anatomical cluster comprising the rostral portion of the eye; the cornea, lens, iris, ciliary zone, anterior chamber, and annular ligament. | 
| Ontology: | Anatomy Ontology [ZFA:0005566] | 
| Name: | aqueous humor | 
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| Synonyms: | |
| Definition: | Clear ocular fluid in the anterior segment of the eye. It is produced primarily by dorsal ciliary epithelial cells. | 
| Ontology: | Anatomy Ontology [ZFA:0005564] |