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Representative light micrographs of testis sections from homozygous LHR-/- (-/-) and wt control (+/+) mice. Samples were taken at the ages of 2 months (a and b) and 12 months (c-e) and from control LHR+/+ mice at 12 months (f and g). b, d, e, and g are views of a, c, and f at higher magnification. Arrows and arrowheads indicate round spermatids and elongated spermatids, respectively. mo, month.
