Morphology of a Simple Sponge. (a) In this example, pinacocytes form the outer body wall, and mesenchyme cells and spicules are in the mesohyl.是什么意思_Morphology of a Simple Sponge. (a) In this example, pinacocytes form the outer body wall, and mesenchyme cells and spicules are in the mesohyl.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句