sto·mo·de·um
(stō'mō-dē'ŭm), 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(s):
stomatodeum 2. The anterior portion of the insect alimentary canal, consisting of mouth, buccal cavity, pharynx, esophagus, crop (frequently a diverticulum), and the proventriculus.
[Mod. L. fr. G. stoma, mouth, + hodaios, on the way, fr. hodos, a way]
Farlex Partner Medical Dictionary © Farlex 2012
sto·mo·de·um
, stomatodeum (stō'mō-dē'ŭm, -mă-tō-dēŭm) 1. A midline ectodermal depression ventral to the embryonic brain and surrounded by the mandibular arch; when the buccopharyngeal membrane disappears, the stomodeum becomes continuous with the foregut and forms the mouth.
2. The anterior portion of the insect alimentary canal.
[Mod. L. fr. G. stoma, mouth, + hodaios, on the way, fr. hodos, a way]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
sto·mo·de·um
, stomatodeum (stō'mō-dē'ŭm, -mă-tō-dēŭm) A midline ectodermal depression ventral to the embryonic brain and surrounded by the mandibular arch; when the buccopharyngeal membrane disappears, the stomodeum becomes continuous with the foregut and forms the mouth.
[Mod. L. fr. G. stoma, mouth, + hodaios, on the way, fr. hodos, a way]
Medical Dictionary for the Dental Professions © Farlex 2012