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Good evening
I am a bit confused about the seminal receptacles of Sepia officinalis. I read a few papers and I know the s. receptacle is a paired organ in the ventral buccal membrane.
I have had a look at a female specimen (against a male) and observed an U-shaped tissue (upper picture) on the inner surface of the buccal membrane that was not present in the male. But I also found a small opening next to each tentacle on the outer surface of the buccal membrane in the female (lower picture).
Which one is the pore of the seminal receptacle?
Thanks for your help
TK

I am a bit confused about the seminal receptacles of Sepia officinalis. I read a few papers and I know the s. receptacle is a paired organ in the ventral buccal membrane.
I have had a look at a female specimen (against a male) and observed an U-shaped tissue (upper picture) on the inner surface of the buccal membrane that was not present in the male. But I also found a small opening next to each tentacle on the outer surface of the buccal membrane in the female (lower picture).
Which one is the pore of the seminal receptacle?


Thanks for your help
TK
