Definition

Relating to the myofibrils, which are the basic rod-like units of a muscle cell responsible for contraction.

Example

The myofibrillar structure of the muscle is essential for its ability to contract effectively.

Conversation

I read that doing strength training can increase your myofibrillar density.

Really? I didn't know that was a benefit of lifting weights.

Yeah, it helps improve muscle strength and performance.

That sounds interesting! I might need to add some strength exercises to my routine.

Synonyms & Antonyms

Root Explanation

Myofibrillar is formed from "myo-" (from Greek "musculus", meaning muscle) and "fibrilla" (from Latin "fibrilla", meaning small fiber) and the suffix "-ar" (meaning pertaining to). The word refers to something that pertains to the small fibers of muscle tissue.

Memory Tip

Think of 'myo-' relating to muscles and 'fibrilla' meaning small fibers — myofibrillar refers to the small fibers that make up muscle.

Visually Confused Words