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.
- intransigently
- intransitive
- intransitively
- intransitiveness
- intransitivity
- intranuclear
- intraocular
- intraparty
- intrapersonal
- intrapersonally
- intrapreneur
- intrapreneurial
- intrapsychic
- intrapsychically
- intraspecies
- intraspecific
- intrastate
- intrauterine
- intrauterine device
- intravasation
- intravascular
- intravascularly
- intravenous
- intravenously
- intravenous pyelogram