Sankaku Channel/fertilization (189)

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• fertilization (?) 189
• sperm cell (?) 142
• ovum (?) 189
• 受精 (?) 2375
• kiryu manzoku (?) 574
• 断面図 (?) 4338
• 黒茶色のねこ (?) 531
• ovaries (?) 251
• 子宮 (?) 2170
• 射精横断面 (?) 2000
• Ｘ線 (?) 7312
• 中出し (?) 84773
• 卵 (?) 4214
• ザーメン (?) 246059
• internal (?) 1630
• セックス (?) 260153
• 膣に (?) 127147
• うごイラ (?) 2490
• 異性愛 (?) 87068
• ❤形瞳 (?) 12413
• ソロフォーカス (?) 63570
• シンボル形瞳 (?) 20159
• 膣 (?) 317804
• ペニス (?) 325246
• アヘ顔 (?) 25751

fertilization

Fertilization is the process by which an egg cell (ovum) and a sperm join. Once fertilized, the egg will generally begin to multiply and grow into a new organism. Though in real life any number of events could prevent a fertilized egg from implanting (...)