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In prophase Drosophila melanogaster S2 cells , the C - terminal region of the Ndc80 subunit is located approximately 65 nm outward ( i . e . towards the microtubule ) relative to CENP - A , the histone H3 variant that marks centromeres from yeast to humans [ 40 ] .
 Anatomy: S2 cells; Anatomy: microtubule
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: S2 cells, microtubule 
Answer:
 Anatomy: S2 cells; Anatomy: microtubule