pharyngeal membrane

pharyngeal membrane
pharyngeal membrane n BUCCOPHARYNGEAL MEMBRANE

* * *

in the embryo, one of the thin membranes, consisting of ectoderm, mesoderm, and endoderm, that separate the pharyngeal pouches from the pharyngeal grooves; the first pharyngeal membrane, with its associated mesenchyme, becomes the tympanic membrane.

Medical dictionary. 2011.

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