stomodaeum
/ˌstoʊməˈdiːəm/
noun
- The anterior (front) part of the digestive tract in an embryo or in certain invertebrates, which develops into the mouth and esophagus.
- The stomodaeum is the first section of the gut to form in the embryo.
- In earthworms, the stomodaeum includes the mouth and pharynx.
- Damage to the stomodaeum can affect an insect's ability to feed.
Synonyms