pharyngeal membranes
(redirected from closing membranes)pha·ryn·ge·al mem·branes
thin sheets, composed of ectoderm externally and endoderm internally, which separate the pharyngeal pouches from the overlying pharyngeal grooves in the early embryo.
Synonym(s): closing membranes
pha·ryn·ge·al mem·branes
(făr-injē-ăl membrānz)Thin sheets, which separate pharyngeal pouches from overlying pharyngeal grooves in the early embryo.