All 15 Systems
SYSTEM 14 OF 15 · INTEGUMENTARYOuter Anatomical Reference, Protective Barrier & Thermoregulation

Body surface

The body surface provides an outer anatomical reference. The integumentary system forms a protective barrier and contributes to sensation and temperature regulation.

Explore Body surface in 3D
Verified Atlas Coverage
5
Modeled 3D Meshes
5
FMA Concepts

The BodyParts3D reference dataset includes 5 surface structures in the integumentary layer (Skin, Lip, Eyebrow, Hair of head, and Pubic hair). By default, the outer skin envelope is hidden in the 3D viewer so internal systems are visible, and can be toggled on at any time.

5-Step Learning Progression
Step 01 · Understand the System

Main Physiological Functions of the Body surface

01

Forms a continuous protective external barrier shielding underlying tissues from mechanical, chemical, and environmental exposure.

02

Provides an outer surface landmark reference for regional and clinical anatomy.

03

Contributes to cutaneous sensation and body temperature regulation.

Anatomical Source & Editorial Scope: All structure names and FMA identifiers come directly from the BodyParts3D reference dataset. Click Learn more on any curated landmark structure below to open its dedicated page with verified location, function, and related organs.
Step 02 · Explore Key Structures

Important Structures in the Body surface

Review the primary anatomical landmarks below. Click Learn more to open the dedicated page for each structure, or click Select in 3D to inspect it on the interactive 3D model.

View Entire Body surface in 3D
FMA71631 3D mesh

Skin

The outer integumentary envelope of the body forming a protective barrier, aiding temperature regulation, and providing an external anatomical reference.

Complete Body surface Atlas Directory (5 FMA Concepts · 5 Modeled Meshes)

Every anatomical structure assigned to the Body surface layer in atlas.json. Curated landmarks include a Learn more guide, and all 5 structures can be selected directly in the 3D viewer.

No structures in Body surface match "".
Step 03 · Interactive 3D Spatial Practice

Inspect & Select Body surface Structures in 3D

Launch the 3D viewer with the Body surface activated. Orbit the camera, use the Exploded View slider to separate overlapping pieces, and click individual structures to inspect their FMA reference ID and anatomical metadata.

YOUR 3D INSPECTION LOG (BODY SURFACE)0 inspected

You have not selected any structures in the Body surface inside the 3D viewer yet during this session. Click Explore in 3D or any structure card above to inspect a structure on the 3D model.

Step 04 · Key Takeaways

Essential Facts to Remember

The body surface provides an outer anatomical reference around the internal organ systems.

The integumentary system forms a protective barrier and contributes to sensation and temperature regulation.

In the 3D viewer, toggling on "Body surface" reveals the external skin mesh (FMA7163).

Inter-System Physiology & Spatial Relationships

How the Body surface Relates to Other Body Systems

Body surface + Nervous system

Cutaneous sensory receptors in the skin detect touch, pressure, pain, and temperature, sending signals to the nervous system.

Body surface + Muscles

Superficial muscles of facial expression and neck (such as the platysma) insert directly into the dermis of the skin.

Step 05 · Short Knowledge Check

Check Your Understanding: Body surface

Select an answer for each question below to verify your understanding of the body surface.

QUESTION 01 OF 01

What role does the body surface (integumentary system) play in the Human Atlas?