| Term: | corneal primordium endoplasmic reticulum |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | corneal primordium |
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| Synonyms: | |
| Definition: | Portion of tissue that is part of the eye and gives rise to the mature, fully layered cornea. |
| Ontology: | Anatomy Ontology [ZFA:0001688] |
| Name: | endoplasmic reticulum |
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| Synonyms: | ER |
| Definition: | The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached). |
| Ontology: | GO: Cellular Component [GO:0005783] QuickGO AmiGO |