的意思 protonephron

1. The protonephron is the precursor to the functional kidney in vertebrates.
原始肾元是脊椎动物中功能肾脏的前身。

2. During embryonic development, the protonephron undergoes several stages of differentiation.
在胚胎发育过程中，原始肾元经历了几个分化阶段。

3. The formation of the protonephron is a crucial step in kidney development.
原始肾元的形成是肾脏发育中的关键步骤。

4. Mutations in genes that regulate protonephron development can lead to kidney disorders.
调控原始肾元发育的基因突变可能导致肾脏疾病。

5. Scientists are studying the molecular mechanisms involved in protonephron formation.
科学家正在研究参与原始肾元形成的分子机制。

6. The protonephron serves as a model system for understanding kidney development in vertebrates.
原始肾元作为一个模型系统，可以帮助我们理解脊椎动物肾脏的发育。