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cathepsin

Upper-Intermediate (B2)

IPA: /kæˈθɛpsɪn/

KK: /kæˈθɛpsɪn/

noun
Definition

A type of enzyme found in animal tissues that helps break down proteins into smaller pieces called polypeptides.


Example

Cathepsins play a crucial role in the digestion of proteins within cells.


Conversation
Sloth A
I read an interesting article about cathepsin and its role in our bodies.
Sloth B
Oh really? What did it say?
Sloth A
It mentioned how cathepsin helps break down proteins, which is pretty fascinating.
Sloth B
That is cool! I had no idea enzymes could be so important.

Synonyms & Antonyms
Synonyms
enzyme
protease
catalyst
Antonyms
inhibitor
blocker
antagonist
Root Explanation

Cathepsin is derived from the Greek word "kathepsin" (meaning to digest or to break down). The term is used in biochemistry to refer to a group of enzymes that break down proteins. Thus, cathepsin refers to enzymes that digest or break down proteins in the body.

Memory Tip

Think of the Greek root 'kathepsin' which means to 'digest' — this helps you remember that cathepsin refers to enzymes that break down proteins.

Visually Confused Words

No commonly confused words.

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