| anodal opening contraction | An obsolete term for the momentary contraction of a muscle under the influence of the positive pole when the circuit is broken. (05 Mar 2000) |
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| anodal closure contraction | An obsolete term for the momentary contraction of a muscle under the influence of the positive pole when the electrical circuit is established. (05 Mar 2000) |
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| anodal opening tetanus | An obsolete term for a tonic contraction in a muscle, to which the anode is applied, when the circuit is opened. (05 Mar 2000) |
| cathodal opening contraction | An obsolete term for the momentary contraction of a muscle under the influence of the negative pole when the circuit is broken. (05 Mar 2000) |
| opening contraction | A contraction produced at the time of opening the circuit when using direct current to stimulate the muscle or a motor nerve. (05 Mar 2000) |
| anodal | Of, pertaining to, or emanating from an anode. Synonym: anodic. (05 Mar 2000) |
| anodal closure tetanus | An obsolete term for a tetanic muscular contraction occurring during the time the circuit is closed, the current then running, while the positive pole is applied. (05 Mar 2000) |
| anodal current | A current produced in tissues under the anode when the circuit is closed. (05 Mar 2000) |
| anodal duration tetanus | An obsolete term for the period of muscular contraction occurring at the anode when the electric circuit is closed. (05 Mar 2000) |
| atrial premature contraction | <cardiology> An premature heartbeat of atrial origin. Generally nonserious and typically exacerbated by stimulant use (for example alcohol, decongestants, caffeine, nicotine). (27 Sep 1997) |
| automatic contraction | In contrast to forced beat, an ectopic beat that arises de novo and is not precipitated by the preceding beat; thus escaped and parasystolic beat's are automatic. Synonym: automatic contraction. (05 Mar 2000) |
| braxton hicks contraction | Rhythmic uterine muscle activity which occurs during the course of a pregnancy which causes no pain for the patient. (27 Sep 1997) |
| paradoxical contraction | A tonic contraction of the anterior tibial muscles when a sudden passive dorsal flexion of the foot is made. (05 Mar 2000) |
| carpopedal contraction | <clinical sign> Spasms of the hands or feet that may be seen in association with hypocalcaemia or hyperventilation. (08 Jan 1998) |
| reflex detrusor contraction | Normal coordinated function of the bladder with sustained contractions of the bladder matched by simultaneous relaxation of the sphincteric outlet mechanisms to empty the bladder. (05 Mar 2000) |
| cathodal closure contraction | An obsolete term for the momentary contraction of a muscle under the influence of the negative pole when an electrical circuit is established. (05 Mar 2000) |