Pterygopodium is an elongated basal ray of the pelvic fin in sharks and rays, which is the skeletal basis of the copulatory organ. The organ by which the male injects his sex cells into the female's cloaca.
Pterygopodium
Tags: pterygopodium
Pterygopodium is an elongated basal ray of the pelvic fin in sharks and rays, which is the skeletal basis of the copulatory organ. The organ by which the male injects his sex cells into the female's cloaca.
Tags: pterygopodium