9 mm
Proportions require correction
This legacy projection has not passed two-axis verification.
Adult C57BL/6J Mouse Heart
A representative adult laboratory-mouse heart shown in strict anterior view at about 9 mm long and 4 mm across. Representative 9 mm long axis and 4 mm short axis; actual size varies by strain and cardiac phase.
Dimensions
- Height
- 9 mm
- Length
- 4 mm
- Width
- 4 mm
Quick facts
- Long axis
- ≈ 9 mm
- Short axis
- ≈ 4 mm
- Resting rate
- 450–750 bpm
Adult C57BL/6J Mouse Heart · Size infographic

Related objects
Sources and measurement22 References
Dimensions were cross-checked against independent sources before publication.
Measurement basis
Representative 9 mm long axis and 4 mm short axis; actual size varies by strain and cardiac phase.