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No effects of estrous cycle on ketamine-induced fear memory enhancement. (A) Representative images of vaginal cell types (from top to bottom): Cornified epithelial cells (C), Leukocytes (L), and Nucleated epithelial cells (N). Scale: 30 µm. (B) Freezing behavior during Cue Test 1. (C) Freezing during Cue Test 2. (D) Freezing behavior during contextual fear test 3. (E): Freezing behavior during cued fear renewal test.
