my·o·to·ni·a 
(mī′ə-tōnē-ə)
(mī′ə-tōnē-ə)n.
Tonic spasm or temporary rigidity of one or more muscles, often characteristic of various muscular disorders.
my′o·tonic (-tŏnĭk) adj.
- Marcus Cook
- Marcuse
- Marcus Fabius Quintilianus.
- Marcus Junius
- Marcus Licinius
- Marcus (Moziah) Aurelius
- Marcus Porcius
- Marcus Porcius
- Marcus Rothkowitz.
- Marcus Terentius
- Marcus Tullius
- Marcus Ulpius Trajanus.
- Marcus Valerius Martialis.
- Marcus Vipsanius
- Marcus Vitruvius Pollio.
- Marcy
- Mar del Plata
- Mardi Gras
- Marduk
- mare
- mare
- Marengo
- mare's nest
- mare's-tail
- Marfan syndrome