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myo-

  1. a combining form meaning “muscle,” used in the formation of compound words:

    myology.



myo-

combining_form

  1. muscle

    myocardium

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of myo-1

Combining form representing Greek mŷs mouse, muscle
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Word History and Origins

Origin of myo-1

from Greek mus muscle
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Example Sentences

It was necessary to appoint a man to carry on the duties of the Myo-k.

Contractile or myo-epithelial cells, with the cell prolonged at the base into a contractile muscle-fibre (fig. 6, B).

Tha-yet-myo, not the city of mangoes, as might be supposed, but the city of slaughter.

At Allan-myo there was a decent little house, close to the river-bank.

Such cells, made up of epithelial and muscular components, are known as epithelio-muscular or myo-epithelial cells.

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Words That Use myo-

What does myo- mean?

Myo- is a combining form used like a prefix meaning “muscle.” It is often used in medical terms, especially in anatomy.

Myo- comes from the Greek mŷs, meaning “muscle” and “mouse.” Mouse? Yep, discover why at our entry for muscle.

What are variants of myo-?

When combined with words or word elements that begin with a vowel, myo- becomes my, as in myalgia.

Examples of myo- 

An example of a word you may have encountered that features myo- is myocardium, “the muscular substance of the heart.”

We know myo- means “muscle,” so the -cardium portion of the word? That’s right, -cardium refers to “heart,” from the Greek kardía. Myocardium literally translates to “heart muscle.”

What are some words that use the combining form myo-?

What are some other forms that myo- may be commonly confused with?

Not every word that begins with the exact letters myo- or my- is necessarily using the combining forming myo- to denote “muscle,” e.g., myopic or myriad. Learn why myopic means “shortsighted” at our entry for the word.

Break it down!

Given that myo- means “muscle” -ology means “study,” then what is myology?

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Mynheermyoatrophy