pronephros

pronephros读音音标

英 [prəʊ\'nefrɒs]

美 [proʊ\'nefrɒs]

pronephros意思解释

n.

前肾（脊椎动物*原始的泌尿器官）；

英英释义

Pronephros the most basic of the three excretory organs that develop in vertebrates, corresponding to the first stage of kidney development. It is succeeded by the mesonephros, which in fish and amphibians remains as the adult kidney.

双语例句

用作名词(n.)The pronephros does not function, but it marks at the fourth week of development the start of renal development.前肾生肾节内，从头侧至尾端先后出现横行前肾小管，内侧端开口于胚内体腔，外侧端与头尾走行的前肾管相通。