单词branchiostegal
网络: 腮盖的；鳃被架
Right and left branchiostegal membranes completely united together, but free from isthmus.
鳃盖薄膜完全地一起联合了，但是与峡部分离。
branchiostegal rays Series of long, curved and often pointed bones that support the branchiostegal (gill) membrane.
鳃条骨成列长而弯曲的硬骨，用以支撑鳃盖膜。
Dark brown, becoming blackish on the gular and branchiostegal membranes.
深褐色的，在那变成黑色喉部的与鳃盖薄膜。