118340
Arachnida In spider s the intromittent organs are the male pedipalp s , even though these are not primarily sexual organs , but serve as indirect mating organs ; in the male the pedipalps have have hollow , clubbed tips , often of complex internal anatomy .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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