metanephros

/met-uh-nef-ros/US // ˌmɛt əˈnɛf rɒs //UK // (ˌmɛtəˈnɛfrɒs) //

肾上腺素,元宝,肾上腺皮质激素,玄武湖

Definitions

n.名词 noun

1
plural met·a·neph·roi [met-uh-nef-roi]. /ˌmɛt əˈnɛf rɔɪ/. Embryology.
- : one of the three embryonic excretory organs of higher vertebrates, becoming the permanent and functional kidney.

The differentiation of a posterior section of the mesonephros into a special gland foreshadowing the metanephros of the Amniota.
The ureter which carries off the secretion of the kidney proper or metanephros.
The mode of development of the metanephros has as yet only been satisfactorily elucidated in the Chick (Sedgwick, No. 549).