Gametogenic cycle of Mesodesma donacium in Mehuin beach, 1989, Valdivia, Chile

2019-11-21T21:57:20Z (GMT) by Luis Orlando Filun
Gonad stage: Percentage (from a montly sample of 30 clams) of male and female clams classified into four gonad stages: inmature, mature, late maturity, spawned, regression. Classification was made after histological examination of Bouin-preserved gonad samples. Tissue embedded in paraffin after dehydration, sectioned at 7 µm and stained with standard haematoxylin-eosin stain before examination.



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