junco

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junco

or

snowbird,

small seed-eating bird of North America closely related to the sparrowssparrow,
common name of various small brown-and-gray perching birds. New World birds called sparrows are members of the finch family. They were named for their resemblance to the English sparrow and the European tree sparrow (members of the weaverbird family), both introduced in
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. Juncos have white underparts and gray (sometimes also brown) backs. They travel in flocks. The dark-eyed junco is the most common species, comprising in E North America the subgroup sometimes called the slate-colored junco, and several Western varieties. Juncos belong to the genus Junco and are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Aves, order Passeriformes, family Emberizidae.
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References in periodicals archive ?
Nota-se que a pressao exercida pelos dedos indicador e polegar deixa os negativos das suas medidas e marcas das juncoes dos roletes, formando as rugas ou corrugados.
Alem disso, durante a copia da frase, algumas criancas copiaram deixando de colocar espaco entre as palavras--"juncoes de palavras" e/ou dividindo a palavra em duas--"fragmentacoes de palavras".
A acao dos radicais livres de oxigenio e de outros mediadores inflamatorios prejudica a funcao de barreira da microcirculacao, pois, ao interagirem com as juncoes entre as celulas e possivelmente com o glicocalice endotelial, levam ao edema tecidual e por conseguinte a piora do deficit de extracao de oxigenio.
As celulas epiteliais encontram-se organizadas pelas juncoes estreitas e as unioes GAP, oferecendo integralidade e impedindo a difusao retrograda do acido e da pepsina.
Com o desenvolvimento do foliculo, o indice de recuperacao oocitaria torna-se maior devido ao afrouxamento das juncoes entre as celulas do cumulus e a parede folicular.
Existem dois tipos de proprioceptores regulando a funcao muscular: fusos musculares, distribuidos nos ventres musculares, e orgaos tendinosos de Golgi, localizados nas juncoes miotendinosas (Costantino, Pogliacomi, e Soncini, 2006).