BIPOLAR

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does bipolar mean? 

• BIPOLAR (adjective)
  The adjective BIPOLAR has 3 senses:

1. of or relating to manic depressive illness

2. of, pertaining to, or occurring in both polar regions

3. having two poles

  Familiarity information: BIPOLAR used as an adjective is uncommon.

 Dictionary entry details 

• BIPOLAR (adjective)

Sense 1

Meaning:

Of or relating to manic depressive illness

Classified under:

Relational adjectives (pertainyms)

Pertainym:

manic depressive illness (a mental disorder characterized by episodes of mania and depression)

Sense 2

Meaning:

Of, pertaining to, or occurring in both polar regions

Classified under:

Relational adjectives (pertainyms)

Context example:

the bipolar distribution of certain species

Pertainym:

polar (located at or near or coming from the earth's poles)

Sense 3

Meaning:

Having two poles

Similar:

Janus-faced (having or concerned with polarities or contrasts)

Antonym:

unipolar (having a single pole)

 Context examples 

This protein plays a role in the formation of a bipolar spindle during mitosis.

(Kinesin-Like Protein KIF11, NCI Thesaurus)

KSP is an ATP-dependent microtubule motor protein that is essential for the formation of bipolar spindles and the proper segregation of sister chromatids during mitosis.

(KSP Inhibitor ARRY-520, NCI Thesaurus)

These organisms are motile by bipolar, sheathed flagella and are composed of ten species of Helicobacter organisms including the species H. bilis and H. trogontum.

(Helicobacter rappini, NCI Thesaurus)

A genus of gram-negative helical, curved, or straight microaerophilic bacteria with rounded ends and multiple sheathed flagella (unipolar or bipolar and lateral) with terminal bulbs.

(Helicobacter, NCI Thesaurus)

The genetic basis of depression overlaps importantly with other psychiatric disorders like bipolar disorder and schizophrenia

(Forty-Four Genomic Variants Linked to Major Depression, The Titi Tudorancea Bulletin)

Decreased DLG4 gene expression is associated with bipolar disorder and schizophrenia.

(DLG4 wt Allele, NCI Thesaurus)

AZD4877 selectively inhibits microtubule motor protein KSP (also called kinesin-5 or Eg5), which is essential for the formation of bipolar spindles and the proper segregation of sister chromatids during mitosis.

(KSP Inhibitor AZD4877, NCI Thesaurus)

A bipolar electrocardiogram limb lead which records the voltage between the negative electrode on the right thoracic limb and the positive electrode on the left thoracic limb.

(Lead Site I, NCI Thesaurus)

It has thin long bipolar cytoplasmic processes, pinocytotic vesicles, fragments of external lamina and/or external lamina-like material, attachment plaques, and desmosome-like junctions.

(Perineurial Cell, NCI Thesaurus)

Histologically it is characterized by a biphasic pattern with compacted bipolar cells associated with Rosenthal fibers and multipolar cells associated with microcysts and eosinophilic bodies/hyaline droplets.

(Pilocytic Astrocytoma, NCI Thesaurus/WHO)