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DictionarySeeoronasalEncyclopediaSeemembraneoronasal membrane
buc·co·na·sal mem·branea thin, transient epithelial sheet separating the primordial nasal cavity from the stomodeum in the 7-week-old human embryo. Synonym(s): oronasal membraneoronasal membrane An embryonic structure that separates the olfactory pit from the primitive buccal cavity at the 6th week of development, which disappears to mark the site of the posterior naris.buc·co·na·sal mem·brane (bŭkō-nāzăl membrān) Thin, transient epithelial sheet separating the primordial nasal cavity from the stomodeum in the 7-week-old human embryo.
Synonym(s): oronasal membrane. |