A fetish that acts as a mixture between emetophilia, oviposition, and vore, inspired by gastric brooding frogs (Rheobatrachus). Describes the process of swallowing fertile eggs, having them hatch in the body, and being regurgitated. Eggs are often that of worm-like creatures such as snakes, maggots, or centipedes, to enhance the focus on wriggling and squirming in the host's stomach.

The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as “planetary protection.” Planetary protection / quarantine “reflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.