The building blocks of English

Affixes

splanchn(o)-

The viscera; intestines.

Greek splankhna, entrails.

The adjective splanchnic refers to the viscera or internal organs, especially those of the abdomen; splanchnology is the scientific study of the viscera and its organs; the splanchnocranium comprises those bones and cartilages of the head and face that are derived from visceral arch elements. A splanchnopleure (Greek pleura, side) is a layer of tissue in a vertebrate embryo, which gives rise to the gut, lungs, and yolk sac.