Results 31 to 40 of about 1,508 (148)

A importância do despiste precoce da cárie dentária

open access: yesRevista Portuguesa de Medicina Geral e Familiar, 2006
A cárie dentária é, a par das periodontopatias, uma doença com alta prevalência, que atinge a quase totalidade das pessoas, independentemente da raça, sexo, idade ou condição social, sendo, por isso, considerada pela OMS como um grave problema de ...
Paulo Melo   +2 more
doaj   +1 more source

Preliminary Isozyme Evidence on the Hybrid Origin and Diploid Progenitors of Bromus pectinatus (Poaceae) [PDF]

open access: yes, 2007
Isozyme electrophoresis was used to study the origin of Bromus pectinatus (Poaceae, Pooideae). The morphological characteristics of B. pectinatus are intermediate between B. japonicus of sect. Bromus and B. tectorum of sect. Genea.
Oja, Tatjana
core   +2 more sources

Karyological studies in Brazilian species of Lippia L. (Verbenaceae)

open access: yesAnais da Academia Brasileira de Ciências, 2012
The genus Lippia (Verbenaceae) comprise around 160 species spread out mainly in South and Central Americas with few African species, some of them with potential medicinal use.
Saulo M. Sousa   +2 more
doaj  

Strategies for conservation of rare and endemic species: characterization of genetic and epigenetic variation and unusual reproductive biology of coastal species from Limonium ovalifolium and Limonium binervosum complexes (Plumbaginaceae) [PDF]

open access: yes, 2014
Doutoramento em Biologia - Instituto Superior de AgronomiaLimonium Mill. (Plumbaginaceae) is among the best represented genus in coastal habitats. In Continental Portugal, two taxonomically complex groups, diploid Limonium ovalifolium and tetraploid ...
Róis, Ana Sofia da Silva Valbordo
core  

Dental caries and food practices among children attending daycare centers in the city of São Paulo, Brazil [PDF]

open access: yes, 2013
OBJECTIVE: The present study investigated associations between the prevalence of dental caries and introduction of complementary foods in children aged 11 to 34 months attending daycare centers.
Biral, Adriana Manrubia   +3 more
core   +2 more sources

Sobre la importancia de la cariología de las Cariofiláceas

open access: yesLilloa, 2022
El autor, basándose en la relación C/KL, que indica cuántas unidades nucleares de espacio están en condiciones de duplicar la masa hereditaria existente durante las dos divisiones de madurez, establece 11 grupos de especies en el género Dianthus ...
von H. Rohweder
doaj  

Ecología, cariología y anatomía de la planaria Pentacoelum hispaniense Sluys, 1989 (Platyhelmintes, Tricladida)

open access: yesGraellsia, 2008
Basándonos en las nuevas poblaciones descubiertas del tríclado Pentacoelum hispaniense aportamos nuevos datos ecológicos, reproductivos, cariológicos y anatómicos de la especie, incluyendo la primera descripción de la anatomía externa.
M. Vila-Farré   +5 more
doaj   +1 more source

Contributo Alla Conoscenza Della Cariologia deiRinolofidi(Mammalia — Chiroptera)

open access: yesCaryologia, 1964
(Uploaded by Plazi for the Bat Literature Project) No abstract provided.
Capanna, Ernesto   +1 more
openaire   +1 more source

Cariologia diPlanaria Torva(O. F. Müller) [PDF]

open access: yesCaryologia, 1963
RIASSUNTOGli AA. illustrano il corredo cromosomico e lo svolgimento della meiosi in Planaria torva (O. F. Muller).Tutte le popolazioni studiate sono risultate diploidi, con 2 n = 18, n = 9. I cromosomi differiscono per le dimensioni e per la posizione del centromero.
Mario Benazzi, Ileana Puccinelli
openaire   +1 more source

Caracterización cariológica de Proechimys sp. (Rodentia: Echimydae) de una colonia experimental

open access: yesBiomédica: revista del Instituto Nacional de Salud, 1989
El Instituto Nacional de Salud (INS) posee una colonia experimental de Proechimys sp, originada a partir de animales provenientes de un foco enzoótico de Puerto Boyacá (Vereda Dos Quebradas, Departamento de Boyacá, Colombia); estos animales se han ...
Martha Lucía Bueno   +2 more
doaj   +1 more source

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