It’s the moment when a sperm eventually arrived at the egg after the long competition among his brothers.
The sperms are made by curve. The head is scaled up by proportional editing.
The ivy on the egg is of course made by ivy addon.
The lacking feature is things that make us feel they are in fluid. So I can say it is a kind of a diorama.
The view from the losers.
The winner of the race.
The referenced SEM picture is this.
You can now download the blend file for free:
Sperm Race to the Egg | Blend Swap