
Corpus luteum.
Left ovary of sexually mature pregnant female common bottlenose dolphin (Tursiops truncatus) with near full-term fetus. The corpus luteum is a raised structure that appears like a bubble below the number 16 on the scale.
Orbach DN (2021)

Corpus luteum with corpora albicantia.
Left ovary of a sexually mature female common bottlenose dolphin (Tursiops truncatus). Both the corpus luteum and small scar-like corpora albicantia appear on the ovary as raised puckering surfaces. The fimbriae below the ovary funnel the egg to the oviduct.
Orbach DN (2021)

Ovary with corpora albicantia.
Right ovary of a sexually mature female common bottlenose dolphin (Tursiops truncatus). Several small scar-like corpora albicantia appear on the ovary as raised puckering surfaces. The fimbriae below the ovary funnels the egg to the oviduct.
Orbach DN (2021)