Results 11 to 20 of about 29,611 (227)

A case of intersex occurrence in Steindachneridion parahybae (Steindachner, 1877) (Siluriformes: Pimelodidae) under captivity condition: A cytogenetic and morphological study [PDF]

open access: yes, 2016
Poco se sabe sobre la biología reproductiva de Steindachneridion parahybae , una especie de teleósteo gonocorístico en peligro de extinción que habita la cuenca del río Paraíba do Sul y en éste trabajo se describe por primera vez la aparición de ...
Caneppele, Danilo   +4 more
core   +2 more sources

Presence of N-acetylgalactosamine/galactose residues on bronchioloalveolar cells during rat postnatal development

open access: yesEuropean Journal of Histochemistry, 2019
In mammals, the alveolarization process develops predominantly after birth. Airway cells display a complex assemblage of glycans on their surface. These glycans, particularly terminal glycan extensions, are important effective carriers of information ...
Maria de Fátima Martins   +2 more
doaj   +1 more source

Phosphorylated α-Synuclein-Copper Complex Formation in the Pathogenesis of Parkinson’s Disease

open access: yesParkinson's Disease, 2017
Parkinson’s disease is the second most important neurodegenerative disorder worldwide. It is characterized by the presence of Lewy bodies, which are mainly composed of α-synuclein and ubiquitin-bound proteins.
Juan Antonio Castillo-Gonzalez   +5 more
doaj   +1 more source

Morphology of the transverse ligament of the atlas and the alar ligaments in the silver fox (Vulpes vulpes var) [PDF]

open access: yes, 2013
Background Recent new anatomical and histological features of craniocervical junction in dogs and cats were described providing evidence of differences between the carnivore species. No information on these structures in foxes exists.
Barszcz, Karolina   +4 more
core   +1 more source

Dor na esclerose múltipla: caracterização de uma população Portuguesa de 85 doentes.

open access: yesActa Médica Portuguesa, 2009
Multiple sclerosis (MS) is a frequent neurological disease, with an estimated prevalence in Portugal of 60/100.000. It is a disease of the young adult, whose first symptoms are commonly of sensory type. The pathological process is of inflammatory nature,
Daniela Seixas   +4 more
doaj   +1 more source

Mecanismos de reconhecimento intracelular. Implicações fisiopatológicas.

open access: yesActa Médica Portuguesa, 1990
The cell has two distinct organelle systems specialized in the sorting of membranes molecules: the Golgi complex for outward (exocitic) membrane traffic and the endosomal system for inward (endocytic) membrane traffic.
M Carmo-Fonseca
doaj   +1 more source

AVALIAÇÃO DE MÉTODOS INVASIVOS PARA DIAGNÓSTICO DA INFECÇÃO POR Helicobacter pylori EM CRIANÇAS E ADOLESCENTES COM SINTOMAS DISPÉPTICOS

open access: yesMedicina, 2002
Apesar do uso rotineiro de biópsias endoscópicas para o diagnóstico da infecção por Helicobacter pylori em nosso meio, há poucos estudos pediátricos, avaliando a acurácia dos métodos invasivos.
Silvio K. Ogata   +2 more
doaj   +1 more source

Anatomia dos órgãos aéreos de Phoradendron strongyloclados Eichler (Viscaceae)

open access: yesPaubrasilia, 2023
Phoradendron strongyloclados Eichler é uma hemiparasita vulgarmente conhecida como erva-de-passarinho. Representantes do gênero Phoradendron são utilizados na medicina popular, porém pouco se sabe sobre P.
Milena Gama Oliveira   +2 more
doaj   +1 more source

Importância da genética molecular em oncologia.

open access: yesActa Médica Portuguesa, 1991
The development of Molecular Biology in recent years has had a profound impact in all Medical research fields and has been particularly important for the progress of oncology research.
L Parreira
doaj   +1 more source

Evaluation of invasive and non-invasive methods for the diagnosis of Helicobacter pylori infection in symptomatic children and adolescents [PDF]

open access: yes, 2001
CONTEXT: Multiple diagnostic methods are available for the detection of Helicobacter pylori infection, but at present no single one can be used as the gold standard.
Antonio Mario Santos   +54 more
core   +1 more source

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