Definition

A thin, sharp structure found in certain types of worms, specifically in their body segments, which helps with movement and support.

Example

The aciculum plays a crucial role in the structure of the parapodia in certain annelids.

Conversation

Did you know that some worms have a structure called an aciculum?

Really? I had no idea what that was!

Yeah, it's a sharp stylet found in their bodies, helps them with movement.

That’s fascinating! Nature is so interesting.

Synonyms & Antonyms

Root Explanation

Aciculum is derived from the Latin word "aciculum" (meaning a small needle or sharp point), which is a diminutive form of "acus" (meaning needle). The word refers to a small, pointed object, often used in sewing or as a tool.

Memory Tip

Think of a small 'needle' ('acus') when you hear 'aciculum' — it helps you remember that it refers to a small, sharp point.

Visually Confused Words