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Sexually dimorphic expression of COL1A1 during CC development. (A–J) The expression of COL1A1 in the male (upper panels) and female CCs (lower panels) at E16.5, E18.5, PND3, PND7, and PND21. White dotted lines indicate the outer region of the CC (tunica albuginea). Scale bar: 100 µm.
