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metanephros

Upper-Intermediate (B2)

IPA: /ˌmɛtəˈnɛfɹəs/

KK: /mɛtəˈnɛfros/

noun
Definition

The last stage of kidney development in vertebrate embryos, which becomes the main kidney in adult reptiles, birds, and mammals.


Example

In mammals, the metanephros is the organ that ultimately forms the adult kidney.


Conversation
Sloth A
Did you know that the metanephros is the final stage of kidney development in embryos?
Sloth B
Really? I had no idea!
Sloth A
Yeah, it eventually becomes the adult kidney in mammals.
Sloth B
That’s fascinating! I love learning about how our bodies work.

Synonyms & Antonyms
Synonyms
kidney
organ
gland
Antonyms
mesonephros
pronephros
tissue
Root Explanation

Metanephros is formed from "meta-" (meaning beyond or after) and "nephros" (meaning kidney in Greek). The term refers to the final stage of kidney development in vertebrates, indicating a kidney that develops after the earlier stages.

Memory Tip

Think of 'meta-' meaning beyond or after, and 'nephros' meaning kidney. This helps you remember that 'metanephros' refers to the kidney that develops after earlier forms.

Visually Confused Words
mesonephros
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