| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
|---|---|
| V1 TP V6 | ventral 1 to ventral 6 [chest leads in ECG] |
| aVF | unipolar limb lead on the left leg in electrocardiography |
| aVL | unipolar limb lead on the left arm in electrocardiography |
| aVR | unipolar limb lead on the right arm in electrocardiography |
| UP | Unipolar |
|---|---|
| UBC | unipolar brush cell |
| unipolar leads | Those in which the exploring electrode is on the chest in the vicinity of the heart or on one of the limbs, while the other or indifferent electrode is the central terminal. (05 Mar 2000) |
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| ABC leads | The leads for recording one kind of vectorcardiogram utilizing the Arrighi triangle; supplanted by XYZ leads. (05 Mar 2000) |
|---|---|
| chest leads | Those in which the exploring electrode is on the chest overlying the heart or its vicinity. Synonym: precordial leads, semidirect leads. (05 Mar 2000) |
| precordial leads | Those in which the exploring electrode is on the chest overlying the heart or its vicinity. Synonym: precordial leads, semidirect leads. (05 Mar 2000) |
| semidirect leads | Those in which the exploring electrode is on the chest overlying the heart or its vicinity. Synonym: precordial leads, semidirect leads. (05 Mar 2000) |
| unipolar | 1. <physics> Having, or acting by means of, one pole only. 2. <anatomy> Having but one pole or process; applied to those ganglionic nerve cells which have but one radiating process; opposed to multipolar. <physics> Unipolar induction, the simulation sometimes produced when one electrode of an induction apparatus is applied to a nerve. Synonym: unipolar induction action. Origin: Uni- + polar. Source: Websters Dictionary (01 Mar 1998) |
| unipolar arc | <radiobiology> Arc between a metal surface and a plasma in contact with it. Such an arc requires only one electrode and is maintained by the thermal energy of the electrons. (09 Oct 1997) |
| unipolar cell | A neuron whose cell body emits a single axonal process resulting from the fusion of two polar processes during development; at a variable distance from the cell body, the process divides into a peripheral axon branch extending outward as a peripheral afferent (sensory) nerve fibre, and a central axon branch that enters into synaptic contact with neuron's in the spinal cord or brainstem. With the single known exception of the neuron's composing the mesencephalic nucleus of the trigeminus, unipolar neuron's are the exclusive neural elements of the sensory ganglia. The lack of dendritic processes of these primary sensory neuron's is only apparent: the dendritic pole of the unipolar neuron is represented by the unmyelinated terminal ramifications of the peripheral axon branch. Synonym: pseudounipolar cell, pseudounipolar neuron, unipolar cell. (05 Mar 2000) |
| unipolar electrocardiogram | An electrocardiogram taken with the exploring electrode placed on the chest overlying the heart or upon a single limb, the indifferent ("zero" potential) electrode being the central terminal. (05 Mar 2000) |
| unipolar neuron | A neuron whose cell body emits a single axonal process resulting from the fusion of two polar processes during development; at a variable distance from the cell body, the process divides into a peripheral axon branch extending outward as a peripheral afferent (sensory) nerve fibre, and a central axon branch that enters into synaptic contact with neuron's in the spinal cord or brainstem. With the single known exception of the neuron's composing the mesencephalic nucleus of the trigeminus, unipolar neuron's are the exclusive neural elements of the sensory ganglia. The lack of dendritic processes of these primary sensory neuron's is only apparent: the dendritic pole of the unipolar neuron is represented by the unmyelinated terminal ramifications of the peripheral axon branch. Synonym: pseudounipolar cell, pseudounipolar neuron, unipolar cell. (05 Mar 2000) |
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