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Age-associated gonadal atrophy. (A–D) progressive stages of atrophy of hermaphrodite gonad. (A) 1-day-old adult, healthy, full-sized gonad; (B) 5-day-old adult, gonad slightly atrophied; (C) 7-day-old adult, shrunken, but largely intact gonad; (D) 9-day-old adult, fragmented gonad.
