Term: yolk microtubule bundle
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 bundle
Synonyms: microtubule fascicle
Definition: An arrangement of closely apposed microtubules running parallel to each other.
Ontology: GO: Cellular Component [GO:0097427]    QuickGO    AmiGO