muscle contraction

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Noun1.muscle contraction - (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
shortening - act of decreasing in length; "the dress needs shortening"
contracture - an abnormal and usually permanent contraction of a muscle
tetanus - a sustained muscular contraction resulting from a rapid series of nerve impulses
uterine contraction - a rhythmic tightening in labor of the upper uterine musculature that contracts the size of the uterus and pushes the fetus toward the birth canal
Braxton-Hicks contraction, false labor - painless contractions of the muscles of the uterus that continue throughout pregnancy with increasing frequency
vaginismus - muscular contraction that causes the vagina to close; usually an anxiety reaction before coitus or pelvic examination
physiology - the branch of the biological sciences dealing with the functioning of organisms
References in periodicals archive ?
These proteins also affect the contraction of muscle cells within the uterus during childbirth and potentially may suppress cancer cells.
Resistance training can increase the size of the muscle--but it can also enhance the nervous system's ability to coordinate the contraction of muscle fibers, which also contributes to greater force.
This constant contraction of muscle while you exercise works your muscles twice as hard as normal.
Myoxinol[R] LS 9736--A Botox-mimicking complex, based on peptides from the hibiscus plant, that reduces the contraction of muscle cells and combats facial wrinkling.
The scene for Nadal-Ginard's study is the contraction of muscle cells, a process that begins when an electrical change releases calcium stored within the cell.