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ulno-

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a combining form of ulna: ulnoradial.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

WORDS THAT USE ULNO-

What does ulno- mean?

Ulno– is a combining form used like a prefix meaning “ulna.” The ulna is a bone in the forearm on the opposite side of the thumb. The form ulno– is very occasionally used in medical terms, especially in anatomy.

Ulno– comes from Latin ulna, meaning “elbow.” The other major bone in the forearm is the radius, which also comes from Latin and means “ray (of light)” or “staff.” Find out what radiate and radioactive have to do with radius at our entries for both words.

Examples of ulno- 

One example of a medical term that uses the form ulno– is ulnoradial, “of, relating to, or situated near the ulna and the radius.”

The ulno– part of the word means “ulna,” while radial has a variety of meanings, but in anatomy it means “of, relating to, or situated near the radius.” The radius is “the bone of the forearm on the thumb side.” Ulnoradial literally means “of, relating to, or situated near the ulna and the radius.”

What are some words that use the combining form ulno-?

  • ulnocarpal
  • ulnohumeral
  • ulnometacarpal
  • ulnomeniscal-triquetral joint

What are some other forms that ulno– may be commonly confused with?

Break it down!

The word carpal means “pertaining to the carpus,” or wrist. With this in mind, where is the ulnocarpal joint located in the body?

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