Results 41 to 50 of about 58,889 (219)

Bryophyte diversity patterns in flooded and tierra firme forests in the Araracuara Region, Colombian Amazonia [PDF]

open access: yes, 2004
We investigated patterns of bryophyte species richness and composition in two forest types of Colombian Amazonia, non-flooded tierra firme forest and floodplain forest of the Caquetá River.
Alvarez, Esteban   +2 more
core  

Variation in pollen limitation among reproductive modules points to likely resource reallocation in the alpine plant Veratrum grandiflorum

open access: yesNordic Journal of Botany, EarlyView.
Pollen limitation, a decrease in seed production due to insufficient pollen receipt, may influence plant demography and the evolution of sexual systems. Its empirical estimation of pollen supplementation of some of the flowers on an individual is well known to be prone to overestimation due to potential resource reallocation among the individual's ...
Xia Jiang   +6 more
wiley   +1 more source

Briófitas (Bryophyta e Marchantiophyta) das cangas da Serra dos Carajás, Pará, Brasil

open access: yesRodriguésia
Resumo Os estudos botânicos na Serra dos Carajás iniciaram no final da década de 60. Após isso, foram publicados vários trabalhos sobre florística, ecologia e fitogeografia que resultaram em muitas descobertas sobre a flora local, culminando com a ...
Fúvio Rubens Oliveira-da-Silva   +1 more
doaj   +1 more source

Hígado graso (parte 1): aspectos generales, epidemiología, fisiopatología e historia natural

open access: yesRevista Colombiana de Gastroenterología, 2022
El hígado graso no alcohólico (NAFLD) se define por la presencia de grasa o esteatosis en los hepatocitos y abarca un espectro que va desde la esteatosis simple, pasa por la esteatohepatitis no alcohólica (NASH) con inflamación y fibrosis, y finaliza en
Jhon Edison Prieto Ortíz   +2 more
doaj   +1 more source

Elevação das enzimas hepáticas, persistente e assintomática, como forma de apresentação da doença de Wilson em idade pediátrica [PDF]

open access: yes, 2015
Introdução: A doença de Wilson é uma doença rara, autossómica recessiva, caracterizada por uma alteração no transporte do cobre no fígado, com acumulação progressiva em vários órgãos (fígado, cérebro, rins e córneas).
Costa, F.   +6 more
core  

Review Article: Classic Bismuth Quadruple Therapy for Helicobacter pylori Infection—Questions Focused on Clinical Practice

open access: yesAlimentary Pharmacology &Therapeutics, EarlyView.
BQT remains the most effective, safe, and practical regimen for H. pylori eradication, ensuring high cure rates across diverse resistance patterns and clinical settings. ABSTRACT Background Classic bismuth quadruple therapy (BQT)—the combination of a proton pump inhibitor, bismuth, tetracycline, and metronidazole—is a standard regimen for treating ...
Javier P. Gisbert   +2 more
wiley   +1 more source

Estratificación vertical de briófitos epífitos encontrados en Quercus humboldtii (Fagaceae) de Boyacá, Colombia

open access: yesRevista de Biología Tropical, 2014
Los bosques de roble representan una formación vegetal de importancia ecológica, debido a la cantidad de plantas epífitas que pueden llegar a albergar; estas han sido muy poco estudiadas en Colombia, especialmente las no vasculares.
Jorge Enrique Gil Novoa   +1 more
doaj  

Hepáticas (Marchantiophyta) de um fragmento de Mata Atlântica na Serra da Jibóia, Município de Santa Teresinha, BA, Brasil Hepatics (Marchantiophyta) from a fragment of Atlantic Forest in Serra da Jibóia, in the Municipality of Santa Teresinha, Bahia State, Brazil

open access: yesActa Botânica Brasílica, 2006
Este trabalho apresenta os resultados do levantamento das hepáticas de um fragmento de Mata Atlântica, no Município de Santa Teresinha, Bahia. Foram registradas 70 espécies pertencentes a 41 gêneros e 14 famílias: Aneuraceae (2), Bryopteridaceae (2 ...
Emilia de Brito Valente   +1 more
doaj   +1 more source

Bryophytes of Mona Island Natural Reserve, Puerto Rico [PDF]

open access: yes, 1998
This checklist provides in addition to a list of mosses and hepatics, a key to the species. We report 17 moss species of which 9 are new to Mona Island and 3 are new records for Puerto Rico (Fissidens minutus, Plaubelia sprengelii and Brymela ...
Reyes-Colón, Carmen M.   +1 more
core  

The OLGIMA system for gastric cancer risk assessment. A useful method based on the histological Sydney consensus

open access: yesHistopathology, EarlyView.
The new OLGIMA method for histological gastric cancer risk assessment is based on the severity of glandular atrophy and intestinal metaplasia, in both antrum and corpus, according to the Updated Sydney classification. The highest score of either atrophy or intestinal metaplasia from each location will be used for the final OLGIMA stage.
Pedro Genaro Delgado Guillena   +125 more
wiley   +1 more source

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