oronasal membrane

oronasal membrane
a thin epithelial plate separating the nasal pits from the oral cavity of the embryo. Called also bucconasal m.

Medical dictionary. 2011.

См. также в других словарях:

  • membrane — 1. A thin sheet or layer of pliable tissue, serving as a covering or envelope of a part, as the lining of a cavity, as a partition or septum, or to connect two structures. SYN: membrana [TA]. 2. SYN: biomembrane. [L. membrana, a skin or m …   Medical dictionary

  • bucconasal membrane — oronasal m …   Medical dictionary

  • nasal fin — a thickened platelike ectodermal structure between the lateral and medial nasal prominences; it thins to form the oronasal membrane …   Medical dictionary

  • fistula — An abnormal passage from one epithelial surface to another epithelial surface. [L. a pipe, a tube] abdominal f. a fistulous passage connecting one of the abdominal viscera …   Medical dictionary


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