| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
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| 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 |
| SUP | schizo-unipolar; supination |
| RTF | Rete testis fluid |
|---|---|
| UP | Unipolar |
| UBC | unipolar brush cell |
| 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) |
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| 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 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) |
| 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) |
| malpighian rete | The living layer of the epidermis comprising the stratum basale, stratum spinosum, and stratum granulosum. Synonym: malpighian layer, malpighian rete. (05 Mar 2000) |
| rete | <anatomy> A net or network; a plexus; particularly, a network of blood vessels or nerves, or a part resembling a network. Origin: L, a net. Source: Websters Dictionary (01 Mar 1998) |
| rete acromiale | A vascular network between the acromion and the skin of the shoulder, formed by anastomoses of the acromial branch of the suprascapular artery with the acromial branch of the thoracoacromial artery. Synonym: rete acromiale, acromial plexus. (05 Mar 2000) |
| rete arteriosum | A vascular network formed by anastomoses between minute arteries just before they become capillaries. Synonym: rete arteriosum. (05 Mar 2000) |
| rete articulare cubiti | Vascular networks in the region of the elbow, composed of anastomoses between branches of the radial and middle collateral, superior and inferior ulnar collateral, radial recurrent, interosseous recurrent, and recurrent ulnar arteries. Synonym: rete articulare cubiti. (05 Mar 2000) |
| rete articulare genus | An arterial network over the front and sides of the knee, formed by branches of the descending genicular artery, of the five genicular arteries from the popliteal, of the anterior tibial recurrent, and of the fibular circumflex branch of the posterior tibial. Synonym: rete articulare genus. (05 Mar 2000) |
| rete calcaneum | A superficial network over the calcaneus, formed by branches of the peroneal and posterior tibial arteries and twigs from the malleolar retia. Synonym: rete calcaneum. (05 Mar 2000) |
| rete canalis hypoglossi | A small venous network around the hypoglossal nerve, connecting with the occipital sinus, inferior petrosal sinus, and internal jugular vein. Synonym: plexus venosus canalis hypoglossi, circellus venosus hypoglossi, rete canalis hypoglossi. (05 Mar 2000) |
| rete carpi dorsale | A vascular network over the dorsal surface of the carpal joints, formed by anastomoses of branches of the anterior and posterior interosseous, and dorsal carpal branches of the radial and ulnar arteries. Synonym: rete carpi dorsale, rete carpi posterius. (05 Mar 2000) |
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