Skip to search formSkip to main contentSkip to account menu

Ursidae Family

Known as: Bear, Bears, Ursidae 
The family of carnivorous or omnivorous bears, having massive bodies, coarse heavy fur, relatively short limbs, and almost rudimentary tails.
National Institutes of Health

Related topics

Related topics

13 relations

Narrower (9)

AiluropodaBlack BearsGrizzly BearsPandas, Giant

Broader (1)

Carnivore
In BloodMicrobiologicalphysiological aspects

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2003
Highly Cited
2003
Diastereoselective photochromism of a bisbenzothienylethene governed by steric as well as electronic interactions.
Introduction of an asymmetric center to C-2 of one of the benzothiophene rings of bisbenzothienylperfluorocyclopentene results in… 
Highly Cited
1998
Highly Cited
1998
Gene flow between insular , coastal and interior populations of brown bears in Alaska
The brown bears of coastal Alaska have been recently regarded as comprising from one to three distinct genetic groups. We sampled… 
Highly Cited
1989
Highly Cited
1989
Presentation of an immunodominant T-cell epitope of hepatitis B surface antigen by the HLA-DPw4 molecule
Human T cells that recognize a major epitope of the hepatitis B surface antigen were studied for their ability to react with… 
Highly Cited
1987
Highly Cited
1987
Psychosocial disadvantages associated with occupational hearing loss as experienced in the family.
A questionnaire has been developed to investigate the psychosocial disadvantages resulting from occupational hearing loss (OHL… 
1986
1986
The Oral Background of Byzantine Popular Poetry
the thirteenth century, when Byzantine energies were occupied in the reconquest of Constantinople and other parts of the empire… 
Highly Cited
1986
Highly Cited
1986
The Status Of The Callianassid Genus Callichirus Stimpson, 1866
—The callianassid genus Callichirus Stimpson is redefined and restricted to its type species, Callianassa major Say, 1818, and… 
1985
1985
Response regulation and sensory control in Halobacterium halobium based on an oscillator
Swimming bacteria reveal a simple mode of behaviour: their flagella rotate clockwise or counterclockwise by turns and they… 
Highly Cited
1984
Highly Cited
1984
Proteolytic and chemical dissection of the human erythrocyte glucose transporter.
Treatment of the purified, reconstituted, human erythrocyte glucose transporter with trypsin lowered its affinity for… 
Highly Cited
1977
Highly Cited
1977
pH-dependent changes in proton:substrate stoichiometries during active transport in Escherichia coli membrane vesicles.
Experiments are presented in which the proton electrochemical gradient (deltamuH+) IN Escherichia coli membrane vesicles… 
Highly Cited
1969
Highly Cited
1969
Synthesis and deposition of oocyte envelopes (vitelline membrane, chorion) and the uptake of yolk in the dragonfly (Odonata:Aeschnidae).
Light and electron-microscope studies on dragonfly ovarioles reveal evidence that the precursor vitelline membrane and chorion…