3013
Adult mutants became sterile males due to the meiotic arrest of spermatocytes , which then died by apoptosis , followed by neoplastic proliferation of gonad somatic cells that was similar to neoplasia observed in ageing dead end ( dnd ) - knockdown males , which lack germ cells .
 Anatomy: spermatocytes; Anatomy: neoplastic; Anatomy: gonad somatic cells; Anatomy: neoplasia; Anatomy: germ cells
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: spermatocytes; Anatomy: neoplastic; Anatomy: gonad somatic cells; Anatomy: neoplasia; Anatomy: germ cells