ar·chen·ter·on 
(är-kĕntə-rŏn′, -tər-ən)
(är-kĕntə-rŏn′, -tər-ən)n.
The central cavity of the gastrula, which ultimately becomes the intestinal or digestive cavity.
ar′chen·teric (är′kĕn-tĕrĭk) adj.
- interrogative
- interrogatively
- interrogator
- interrogatorily
- interrogatory
- interrupt
- interrupter
- interruptible
- interruption
- interruptive
- interscholastic
- interscholastically
- inter se
- intersect
- intersection
- intersectionality
- intersession
- intersessional
- intersex
- intersexual
- intersexuality
- intersexually
- interspace
- interspatial
- interspecies