Definition

The bone in the forearm that runs from the elbow to the wrist on the side opposite the thumb.

Example

The doctor explained that the ulna is one of the two main bones in the forearm.

Conversation

Did you know that the ulna is one of the bones in your forearm?

Yeah, I learned that in biology class last week!

It's interesting how the ulna is on the opposite side of the thumb.

Right! It makes sense when you think about how we use our hands.

Synonyms & Antonyms

Root Explanation

**Ulna** → The word 'ulna' originates from Latin 'ulna', meaning 'elbow' or 'forearm'. It specifically refers to the longer of the two bones in the forearm, located on the side opposite the thumb.

Memory Tip

Think of the Latin word for elbow, 'ulna', to remember that 'ulna' refers to the bone in the forearm near the elbow.

Visually Confused Words