| nerve impulse | An action potential. (18 Nov 1997) |
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| apex impulse | Conventionally the lowermost, leftmost area of cardiac pulsation that is usually palpable. (05 Mar 2000) |
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| cardiac impulse | Movement of the chest wall produced by cardiac contraction. (05 Mar 2000) |
| morbid impulse | An impulse that drives one to commit some act, usually of a deviant or forbidden nature, notwithstanding efforts to restrain oneself. (05 Mar 2000) |
| point of maximal impulse | The point on the chest wall at which the maximal cardiac impulse is seen and/or felt. (05 Mar 2000) |
| impulse | 1. The act of impelling, or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly, or immediately. "All spontaneous animal motion is performed by mechanical impulse." (S. Clarke) 2. The effect of an impelling force; motion produced by a sudden or momentary force. 3. <mechanics> The action of a force during a very small interval of time; the effect of such action; as, the impulse of a sudden blow upon a hard elastic body. 4. A mental force which simply and directly urges to action; hasty inclination; sudden motive; momentary or transient influence of appetite or passion; propension; incitement; as, a man of good impulses; passion often gives a violent impulse to the will. "These were my natural impulses for the undertaking." (Dryden) Synonym: Force, incentive, influence, motive, feeling, incitement, instigation. Origin: L. Impulsus, fr. Impellere. See Impel. Source: Websters Dictionary (01 Mar 1998) |
| impulse control disorder | A class of mental disorder's characterised by an individual's failure to resist an impulse to perform some act harmful to himself or to others; includes pathological gambling, pedophilia, kleptomania, pyromania, trichotillomania, intermittent and isolated explosive disorder's. (05 Mar 2000) |
| impulse control disorders | Disorders whose essential features are the failure to resist an impulse, drive, or temptation to perform an act that is harmful to the individual or to others. Individuals experience an increased sense of tension prior to the act and pleasure, gratification or release of tension at the time of committing the act. (12 Dec 1998) |
| irresistible impulse | A compulsion to act such that one feels or claims it cannot be resisted. (05 Mar 2000) |
| ectopic impulse | An electrical impulse from an area of the heart other than the sinus node. (05 Mar 2000) |
| escape impulse | One or more impulse's (atrial, junctional, or ventricular) arising as a result of delay in the formation or arrival of impulses from the prevailing pacemaker. (05 Mar 2000) |
| communicating branches of auriculotemporal nerve to facial nerve | <anatomy, nerve> Branches conveying fibres from the auriculotemporal nerve to the facial nerve. Synonym: rami communicantes nervi auriculotemporalis cum nervo faciali. (05 Mar 2000) |
| communicating branches of lingual nerve to hypoglossal nerve | <anatomy, nerve> Communicating branches between the lingual nerve (from mandibular nerve) and hypoglossal nerve forming a plexus on the hypoglossus muscle. Synonym: rami communicantes nervi lingualis cum nervo hypoglosso. (05 Mar 2000) |
| communicating branch of facial nerve with glossopharyngeal nerve | <anatomy, nerve> A small branch from the digastric branch of the facial nerve to the glossopharyngeal nerve. Synonym: ramus communicans cum nervo glossopharyngeo, Haller's ansa. (05 Mar 2000) |
| communicating branch of glossopharyngeal nerve with auricular branch of vagus nerve | <anatomy, nerve> A small branch of the glossopharyngeal nerve which joins the auricular branch of the vagus, conveying tactile fibres. Synonym: ramus communicans cum nervo glossopharyngeo, ramus communicans nervi glossopharyngei cum ramo auriculari nervi vagalis. (05 Mar 2000) |
| communicating branch of lacrimal nerve with zygomatic nerve | <anatomy, nerve> Nerve branch by which postsynaptic parasympathetic (secretomotor) fibres from the pterygopalatine ganglion are transferred from the zygomatic nerve to the lacrimal nerve (heretofore purely sensory) for distribution to the lacrimal gland. Synonym: ramus communicans nervi lacrimalis cum nervo zygomatico. (05 Mar 2000) |