Atlas One · Host Biology · Scale 06 — Organ

Kidney

Paired retroperitoneal organs (~150 g each) housing ~1 million nephrons. Core functions: plasma filtration (GFR ~125 mL/min), tubular reabsorption, acid-base balance, and endocrine roles (EPO, renin, calcitriol). Central to blood pressure regulation via RAAS.

Also known as: ren, renal organ

Scale 06 — OrganScale
draftStatus
2026-06-04Last Reviewed
This is an auto-generated stub page built from atlas entry frontmatter. A richer hand-crafted page is planned. See the atlas source for the full entry including detailed body sections.
kidney

Kidney

Paired retroperitoneal organs (~150 g each) housing ~1 million nephrons. Core functions: plasma filtration (GFR ~125 mL/min), tubular reabsorption, acid-base balance, and endocrine roles (EPO, renin, calcitriol). Central to blood pressure regulation via RAAS.