images.library.wisc.eduimages.library.wisc.edu/WI/EFacs/transactions/WT1969/...Veins are usually...
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images.library.wisc.eduimages.library.wisc.edu/WI/EFacs/transactions/WT1969/...Veins are usually visible passing across the ovary, while this cross-venation is not found on the testis