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actomyosin

Upper-Intermediate (B2)

IPA: /ˌæktəˈmaɪəsɪn/

KK: /ˌæktəˈmaɪəsɪn/

noun
Definition

A structure made of two proteins, actin and myosin, that helps muscles contract and move.


Example

Actomyosin plays a crucial role in muscle contraction and movement.


Conversation
Sloth A
Did you know that actomyosin plays a crucial role in muscle contraction?
Sloth B
Really? I had no idea it was so important for how our muscles work.
Sloth A
Yeah, it's fascinating how actomyosin interacts with ATP during exercise.
Sloth B
That makes sense; I guess that's why we feel tired after a workout!

Synonyms & Antonyms
Synonyms
myofilament
contractile
fiber
Antonyms
relaxation
inactivity
stillness
Root Explanation

Actomyosin is formed from "actin" (from Greek "aktis", meaning ray or beam) and "myosin" (from Greek "mys", meaning muscle). The term refers to a complex of proteins that play a crucial role in muscle contraction and movement, combining the properties of actin and myosin.

Memory Tip

Think of 'actin' as a 'ray' that helps in muscle movement, and 'myosin' as the 'muscle' component — together, they form the essential proteins for muscle contraction.

Visually Confused Words

No commonly confused words.

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