Unipolar
adjective
1.
Also, homopolar. Physics. having or pertaining to a single magnetic or electric pole.
2.
Anatomy. of or relating to a nerve cell in spinal and cranial ganglia in which the incoming and outgoing processes fuse outside the cell body.
adjective
1.
of, concerned with, or having a single magnetic or electric pole
2.
(of a nerve cell) having a single process
3.
(of a transistor) utilizing charge carriers of one polarity only, as in a field-effect transistor
4.
(of nervous depression) occurring without accompanying bouts of mania
5.
dominated by one superpower, esp the United States See bipolar
unipolar u·ni·po·lar (yōō’nĭ-pō’lər)
n.
Having a single fibrous process. Used of a neuron.
Situated at only one extremity of a cell.
u’ni·po·lar’i·ty (-pō-lār’ĭ-tē, -pə-) n.
Read Also:
- Unipolar lead
unipolar lead (lēd) n. A lead of an electrocardiograph in which one electrode is placed on the chest in the vicinity of the heart or on one of the limbs, while the other is placed at an area of zero potential. A record obtained from such a lead.
- Unipolar neuron
unipolar neuron n. A neuron whose cell body emits a single axonal process resulting from the fusion of two polar processes during development, one branch of the process serving as a sensory nerve fiber and a second branch entering into synaptic contact with neurons in the spinal cord or brainstem.
- Uniport
uniport u·ni·port (yōō’nə-pôrt’) n. Transport of a molecule or ion through a membrane by a carrier mechanism without known coupling to the transport of any other molecule or ion.
- Unipotent
adjective, Biology. 1. (of cells) capable of developing into only one type of cell or tissue.
- Unipotential
[yoo-nuh-puh-ten-shuh l] /ˌyu nə pəˈtɛn ʃəl/ adjective 1. Electricity, Electronics. having uniform electric potential throughout, as a hot cathode (unipotential cathode) indirectly heated by a separate heater circuit so that there is no lateral change of voltage across the cathode due to resistance to a heating current. 2. Biology. unipotent.