Anatomio

Midline · Muscle · 3D study

Diaphragm

Inspect the diaphragm on its own, then compare its position with the ribs, sternum and spine. The same structure is accessible from Chest and Abdomen.

Atlas noteOriginal-source surface geometry; colors are illustrative. This partial study has not yet received specialist anatomical review.
MIDLINE · STRUCTURE STUDYBodyParts3D / 4.0
SELECTED · MIDLINE

Diaphragm

Viewing this structure’s page
Anatomioanatomio.org ↗3D: BodyParts3D / DBCLS · CC BY 4.0

Loading the anatomical subset…

Gold = selected structure Click to select · double-click / double-tap to open
Drag to rotate · pinch or scroll to zoom

* Partial trunk model: thoracic and lumbar spine, sacrum, ribs, sternum parts, hip bones, selected muscles and 14 indexed costal cartilages. Discs, cervical spine, coccyx and organs are not included.

Loading the anatomical subset…

Interactive study: Anatomio. Original geometry: BodyParts3D, © The Database Center for Life Science licensed under CC Attribution 4.0 International. Sources & changes · Model provenance

Educational draft · anatomical review pendingSources checked . Prepared with AI assistance; not yet reviewed by a qualified anatomist. Not for diagnosis or treatment.
Region
Chest / abdominal boundary
Source mesh
FJ3131
Selection
One whole structure

Between chest and abdomen

The diaphragm forms a dome-shaped partition between the thoracic and abdominal cavities. Its upper surface faces the chest; its lower surface faces the abdomen.

This is one indexed whole-structure model. Selecting it highlights the entire source surface, not a separate right or left half.

Sources: OpenStax · BodyParts3D

Peripheral attachments and central tendon

Muscle fibers extend from the xiphoid region, lower ribs and their cartilages, and lumbar attachments toward a central tendon.

These landmarks describe anatomy. The central tendon, attachment footprints and individual crura are not separate selectable objects here; 14 indexed costal-cartilage surfaces are available in Chest and full trunk context; lower-cartilage coverage remains unconfirmed.

Sources: OpenStax · BodyParts3D

Role in breathing

Diaphragm contraction helps expand the thoracic cavity during inspiration. This viewer shows a fixed source shape, not a measured breathing phase or an animation.

Rotate and isolate the surface to inspect its shape. Do not interpret mesh boundaries or missing neighboring tissues as a complete map of passageways.

Sources: OpenStax · BodyParts3D

Study the same model in two regions

Chest provides the available rib-cage context; Abdomen combines the diaphragm with external obliques, psoas and selected bones. Both use identical coordinates and one canonical detail page.

Show context on this detail page restores the complete available trunk assembly. It does not reveal every anatomical layer.

Sources: BodyParts3D

Read the model

Explore diaphragm in 3D

  1. Inspect the isolated model. Use Front, Back and Oblique to compare surfaces.
  2. Open Chest. Inspect the diaphragm against the available rib cage. Chest →
  3. Compare Abdomen. Return to the same structure in the neighboring region. Abdomen →

Sources and editorial status

This guide uses independently written explanations with links to the evidence behind them. Source checking and specialist anatomical review are separate steps; the latter is still pending.

  1. Axial muscles of the abdominal wall and thorax

    Diaphragm position, broad attachments and breathing role. Independent factual summary; no figures reproduced.

  2. BodyParts3D / DBCLS · IS-A source index

    FMA13295 / FJ3131 identifies the diaphragm as one source object. Original vertices and triangulated faces retained.

3D geometry and its separate license are credited beneath the viewer. References do not imply endorsement of this site.

Source identification

About this model

BodyParts3D identifies this surface as diaphragm: FMA13295 / FJ3131. Its original coordinates and topology are preserved. This is a midline structure, not a left or right counterpart.

The trunk assembly includes thoracic and lumbar vertebrae, sacrum, ribs, sternum parts, hip bones, selected muscles and 14 indexed costal cartilages. Discs, cervical vertebrae, coccyx, organs and other trunk muscles are not loaded.

Back to Trunk →