![Fish-tail knife blades, that have been used to cut the umbilical cord at birth, and symbolically during rebirth in the afterlife. From the Presynaptic period Stock Photo - Alamy Fish-tail knife blades, that have been used to cut the umbilical cord at birth, and symbolically during rebirth in the afterlife. From the Presynaptic period Stock Photo - Alamy](https://c8.alamy.com/comp/G1CECP/fish-tail-knife-blades-that-have-been-used-to-cut-the-umbilical-cord-G1CECP.jpg)
Fish-tail knife blades, that have been used to cut the umbilical cord at birth, and symbolically during rebirth in the afterlife. From the Presynaptic period Stock Photo - Alamy
Do dolphins have belly buttons?” Yes, they do! As mammals, they rely on umbilical cords throughout pregnancy to provide important… | Instagram
![A. Bronze whaler Carcharhinus brachyurus. Yolk-sac found in the uteri... | Download Scientific Diagram A. Bronze whaler Carcharhinus brachyurus. Yolk-sac found in the uteri... | Download Scientific Diagram](https://www.researchgate.net/publication/236858391/figure/fig3/AS:669506150076425@1536634113255/A-Bronze-whaler-Carcharhinus-brachyurus-Yolk-sac-found-in-the-uteri-with-near-term.jpg)
A. Bronze whaler Carcharhinus brachyurus. Yolk-sac found in the uteri... | Download Scientific Diagram
Winter Dolphin on X: "Did you know? Dolphins are born live and have umbilical cords meaning, like humans, dolphins have belly buttons! https://t.co/PFgRsZEvku" / X
![Did you know lemon sharks are born alive with an umbilical cord. This is called Viviparity ( Viviparous). This "belly button" is actual… | Belly button, Shark, Scar Did you know lemon sharks are born alive with an umbilical cord. This is called Viviparity ( Viviparous). This "belly button" is actual… | Belly button, Shark, Scar](https://i.pinimg.com/736x/e0/c4/36/e0c436b37b939e62538af6208f9efd49.jpg)