bucconasal membrane
buc·co·na·sal mem·brane
a thin, transient epithelial sheet separating the primordial nasal cavity from the stomodeum in the 7-week-old human embryo.
Farlex Partner Medical Dictionary © Farlex 2012
oronasal 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.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
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.
Medical Dictionary for the Dental Professions © Farlex 2012
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