| 释义 |
pharyngeal membranes pha·ryn·ge·al mem·branesthin 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 membranespha·ryn·ge·al mem·branes (făr-injē-ăl membrānz) Thin sheets, which separate pharyngeal pouches from overlying pharyngeal grooves in the early embryo. |