Results 41 to 50 of about 269,529 (205)

Cnicothamnus lorentzii (Asteraceae): morfoanatomía y arquitectura foliar

open access: yesLilloa, 2014
Ruiz, Ana I.; María E. Guantay; María I. Mercado; Graciela I. Ponessa. 2014. “Cnicothamnus lorentzii (Asteraceae): morfoanatomía y arquitectura foliar”. Lilloa 51 (2).
Ana I. Ruiz   +3 more
doaj  

Expresión de la enzima 11? hidroxiesteroide deshidrogenasa tipo 2 en placenta a término de la gestante obesa

open access: yesRevista Colombiana de Endocrinología, Diabetes y Metabolismo, 2023
Contexto: un ambiente materno obesogénico puede impactar directamente tanto sobre la función placentaria como el desarrollo y crecimiento del feto. La enzima 11? hidroxiesteroide deshidrogenasa tipo 2 (11?-HSD2), ubicada en sincitiotrofoblasto, inactiva
Camila del Pilar Rodríguez   +3 more
doaj   +1 more source

Unravelling the skin of the nurse shark: A morphological description of the placoid scales of Ginglymostoma cirratum

open access: yesJournal of Fish Biology, EarlyView.
Abstract Ginglymostoma cirratum, commonly known as the nurse shark, is a nocturnally active benthic shark, often found in western and eastern Atlantic waters. Although this shark has been well explored in many biological aspects, few studies have thoroughly examined the morphology of its dermal denticles (or placoid scales).
Danilo P. Lima   +7 more
wiley   +1 more source

Didáctica de sintaxis y morfología [PDF]

open access: yes, 2016
El propósito de este trabajo es el análisis de la didáctica de la morfología y sintaxis en el proceso de enseñanza – aprendizaje, con referencia a la etapa de Educación Primaria.
Viñas Navarro, Marta
core  

Morfoanatomía y arquitectura foliar de Carica quercifolia (Caricaceae)

open access: yesLilloa, 2013
Ruiz, Ana I.; María E. Guantay; María I. Mercado; Graciela Ponessa. 2013. Lilloa 50 (2). “Morfoanatomía y arquitectura foliar de Carica quercifolia (Caricaceae)”.
Ana I. Ruiz   +3 more
doaj  

A new, conspicuously pigmented Pyrrhulina (Teleostei: Characiformes: Lebiasinidae) from the Río Tigre, Loreto, Peru

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of Pyrrhulina is described based on morphological and molecular evidence. Pyrrhulina punctata is distinguished from all congeners by the presence of a series of 7 to 16 irregular blotches of dark pigmentation on the flanks, equally marked in juveniles and adult specimens, the presence of 26–28 lateral‐line scales, 17–21 maxillary
Andre Netto‐Ferreira   +4 more
wiley   +1 more source

Reseñas [PDF]

open access: yes, 2011
Juan PIMENTEL, El rinoceronte y el megaterio, un ensayo de morfología ...
Morgado García, Arturo
core   +2 more sources

Morfoanatomía y arquitectura foliar de Schinus areira (Anacardiaceae)

open access: yesLilloa, 2009
Ruiz, Ana I.; Mercado, M. I.; Guantay, M. E. y Ponessa, G. I. Morfoanatomía y arquitectura foliar de Schinus areira (Anacardiaceae). 2009. Lilloa 46 (1-2). Se describe la morfoanatomía y arquitectura foliar de una población de S. areira L.
Ana I. Ruíz   +3 more
doaj  

Maternal nutrition as a key determinant of placental and developing blood–brain barrier xenobiotic protective functions

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Suboptimal maternal nutrition alters placental and developing blood–brain barrier (BBB) protective function and is associated with increased fetal brain vulnerability. In the placenta, nutritional adversity may reduce the exchange surface area and promote meta‐inflammation, compromising barrier efficiency in a model‐ and context ...
Kristin L. Connor   +4 more
wiley   +1 more source

UTILIZAÇÃO DE RAIOS X NA AVALIAÇÃO DA MORFOLOGIA INTERNA DE SEMENTES DE SORGO

open access: yes, 2017
RESUMO - A utilizacao de raios X em sementes e uma tecnica eficiente na avaliacao da morfologia interna de sementes de diversas especies; trata-se de um metodo rapido, preciso e nao destrutivo.
M. Javorski, S. M. Cícero
semanticscholar   +1 more source

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