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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Reproduction. 2015 Apr 1;149(6):657–663. doi: 10.1530/REP-15-0017

Figure 7.

Figure 7

Representative images of sperm inside the female reproductive tract after natural mating with transgenic males carrying Acr-EGFP and Ds-Red2. The photographs show spermatozoa migrating through the female reproductive tract detected by Ds-Red2 using an epi-fluorescence microscope (A). B-C: Representative confocal images of a cross section of the upper isthmus isolated 4 h after mating containing EQ (B) and AC (C) spermatozoon. UTJ: utero-tubal junction; LI: lower isthmus; UI: upper isthmus.