stomodaeum
nounAn anterior part of the alimentary canal or digestive tract, being so much of the whole enteric tube as is formed at the oral end by an ingrowth of the ectoderm: correlated with proctodæum, which is derived from the ectoderm at the aboral end, both being distinguished from
In anthozoans, the saclike pharynx, or so-called stomach.
nounA part of the alimentary canal. See under
The primitive mouth and esophagus of the embryo of annelids and arthropods.
nounAlternative spelling of
