Letter S

Supernumerary

12 views

Beyond the normal number.

Anything supernumerary is extra.

A supernumerary chromosome is an extra one beyond the usual number of 46. A supernumerary digit is an extra finger or toe.

A supernumerary nipple is an extra nipple beyond the usual one on either side.

A supernumerary placenta is an extra placenta (afterbirth) and is called an accessory or succenturiate placenta.

Share this definition

Medical disclaimer

The information on this page is for educational and informational purposes only and does not constitute medical advice in any way.

  • It does not replace the advice of a physician, pharmacist or other healthcare professional.
  • It does not represent a prescription of drugs, diagnostic exams or therapies.
  • In case of symptoms, doubts or concerns about your health, always consult a qualified physician.

In case of emergency call 911 (US) or 112 (EU).