spongy parenchyma是什么意思 spongy parenchyma怎么读
spongy parenchyma的用法和样例
- This is also true of spongy tissue surrounding the urethra.
环绕尿道海绵体的海绵组织也是这样。 - The haustrum structure of the two were similar and both were composed of parenchyma and spiral vessel.
北桑寄生叶较薄，叶脉发达，无栅栏组织和海绵组织的分化。
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