| Name: | yolk | 
|---|---|
| Synonyms: | yolk cell | 
| Definition: | Giant syncytial uncleaved cell containing nutrient store for embryonic development in the form of semicrystalline phospholipoprotein and contained within yolk granules. | 
| Ontology: | Anatomy Ontology [ZFA:0000084] | 
| Name: | microtubule cytoskeleton | 
|---|---|
| Synonyms: | |
| Definition: | The part of the cytoskeleton (the internal framework of a cell) composed of microtubules and associated proteins. | 
| Ontology: | GO: Cellular Component [GO:0015630] QuickGO AmiGO |