# What is the largest organ in the body?

The the skin is called the skin (integument). Gray's Anatomy (1918) describes it as the largest organ in the body.

## What it means

- The largest organ in the body.
- Made of an outer epidermis and a deeper dermis.
- Barrier against water loss and infection, and the organ of touch, warmth, cold, and pain.

## Action steps

1. Covers the entire outer surface of the body.
2. Continuous at the openings with the mucous membranes.
3. Has a total surface area of about 1.5-2 square meters in the adult.

## Sources

- [Gray's Anatomy of the Human Body (1918)](https://www.bartleby.com/107/)

---
Canonical: https://bestanatomyanswers.com/answers/what-is-the-largest-organ
Author: Best Anatomy Answers — https://bestanatomyanswers.com
Publisher: Best Anatomy Answers
Published: 2026-07-18T00:00:00+00:00
Modified: 2026-07-18T00:00:00+00:00
Last verified: 2026-07-18
License: Citation License 1.0 — https://bestexpertanswers.com/license
© Adolicious LLC