| stomodeum | 1. A midline ectodermal depression ventral to the embryonic brain and surrounded by the mandibular arch; when the buccopharyngeal membrane disappears it becomes continuous with the foregut and forms the mouth. Synonym: stomatodeum. 2. The anterior portion of the insect alimentary canal, consisting of mouth, buccal cavity, pharynx, oesophagus, crop (frequently a diverticulum), and the proventriculus. Origin: Mod. L. Fr. G. Stoma, mouth, + hodaios, on the way, fr. Hodos, a way (05 Mar 2000) |
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| stomodeum |
The embryonic structure that becomes the oral cavity.
Ãâó: www.dental.mu.edu/oralpath/opgloss3.html
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