Results 21 to 30 of about 4,806 (216)
, 2021 Micromorphology and ultrastructure of anthers and pollen grains in ten elite genotypes of Theobroma cacao (Malvaceae). Introduction: Despite the fact that T.
Edgar Javier Rincón Barón +4 more
semanticscholar +1 more source
Ultraestructura de las plaquetas vitelinas en tres especies de moluscos [PDF]
Miscel·lània Zoològica, 1977 Durfort i Coll, Mercè
core +2 more sources
Journal of Nanomaterials, Volume 2018, Issue 1, 2018., 2018 For the EPD, different voltages and different times were used. Male rats were used in four groups (n = 3) with different treatments. The blood sample was obtained for genotoxic analysis and liver and kidney organs were removed for histopathological analysis.
Javier Morán-Martínez +10 more
wiley +1 more source
Análisis de los materiales tipo de Pleurosigma formosum y P. decorum (Pleurosigmataceae, Bacillariophyta) [PDF]
, 2014 Los materiales tipo de Pleurosigma formosum W. Smith y P. decorum W. Smith fueron examinados. Ambas especies fueron separadas hasta ahora por el rango de tamaño, la forma de la valva y la densidad de las estrías sobre la base de su análisis con ...
Sar, Eugenia Alicia +2 more
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Botanical Sciences, 2018 Background: The possible intraspecific anatomical variation in inferior tracheophytes is not recorded. In this study, we describe the anatomical variation of the aerial stems of Selaginella pallescens and the pit membrane (PM).Hypothesis: There is ...
D. Grego-Valencia +5 more
semanticscholar +1 more source
Revista de Biología Tropical, 2018 Research on labial palps of Lepidoptera is scarce and requires the use of Scanning Electron Microscopy techniques. We describe and illustrate the three segments composing the labial palps of the Coliadinae butterfly Prestonia clarki, as well as the ...
I. Vargas-Fernández +2 more
semanticscholar +1 more source
Estudio de diversas especies de los géneros Trachelomonas y Strombomonas (Euglenophyta). [PDF]
, 1991 Se estudian siete especies de Euglenofíceas loricadas, 2 pertenecientes al género Strombomonas y5 de Trachelomonas. Se analiza la microarquitectura de la lórica a microscopio óptico y electrónico de barrido, describiendo los elementos ornamentales de ...
De la Rosa, Julio +1 more
core +4 more sources
Ultraestructura de la vascularización placentaria en pacientes eclámpticas
Revista Colombiana de Obstetricia y Ginecología, 1997 OBJETIVO: Investigar las alteraciones vasculares en placentas de pacientes eclámpticas.DISEÑO: Estudio descriptivo, 10 embarazadas normales y 10 eclámpticas, atendidas en el Servicio de Partos, Hospital Universitario del Valle, Cali, Colombia. Se realizó estudio histológico de la placenta, utilizando microscopía de luz, microscopía electrónica de ...
Rodrigo Cifuentes +3 more
openaire +3 more sources
Ultraestructura del complejo sinaptonémico en conejo "oryctolagus cuniculus"
Revista de la Facultad de Medicina, 1986 The Synaptonemal complex (SC) of rabbit is described as a structure constituted by three elements that present different electron densities at the electron microscope: lateral elements, central region and central elemento The lateral elements are always found associated to the nuclear envelope since the leptotene stage. The SC is seen completely formed
Palomino Q., Fernando +6 more
openaire +3 more sources
, 2017 The present paper describes the ultrastructural characteristics of the bulbo-urethral gland (Cowper’ glands) of the Indian fruit bat, R. leschenaulti during sexually inactive-breeding cycle.
A. Nerkar, M. P. Gujar, M. M. Gadegone
semanticscholar +1 more source