metanephros

In mammals, the metanephros is the excretory organ of the fetus, which develops into the mature kidney and is formed from the rear portion of the nephrogenic cord. The metanephros is an endocrine and metabolic organ that filters the blood and excretes the end products of body metabolism in the form of urine[GO]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the metanephros is

In mammals, the metanephros is the excretory organ of the fetus, which develops into the mature kidney and is formed from the rear portion of the nephrogenic cord. The metanephros is an endocrine and metabolic organ that filters the blood and excretes the end products of body metabolism in the form of urine[GO]. The atlas records it as a organ at the organ scale in the human body.

Where the metanephros is

It sits in the abdomen and trunk, within the urinary system. Not positioned individually, and containment is not asserted either. Drawn near structures of the same kind, which is a weak claim about location.

What the metanephros connects to

The atlas records 3 typed relationships for it, across 2 kinds of connection. a kind of anatomical structure and kidney.

Supply and innervation

This dataset asserts no arterial supply, venous drainage or innervation for the metanephros. Only a minority of structures carry those edges here, so an empty answer means nothing has been recorded — not that there is nothing to record.

Also called

Also recorded as metanephron, definite kidney, definitive kidney, hind kidney and metanephric kidney. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0000081, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• A kind of: anatomical structure and kidney.
• develops into: adult mammalian kidney.

Questions

Where is the metanephros?

It sits in the abdomen and trunk, within the urinary system. Not positioned individually, and containment is not asserted either. Drawn near structures of the same kind, which is a weak claim about location.

What does the metanephros connect to?

A kind of: anatomical structure and kidney.

Is the metanephros the same in other species?

Leumas holds the same relationship vocabulary for every species it carries, so where another dataset records this structure you can put the two side by side on /compare.