Results 21 to 30 of about 46,703 (158)

Morphological development of Corydoras aff. paleatus (Siluriformes, Callichthyidae) and correlation with the emergence of motor and social behaviors

open access: yesIheringia: Série Zoologia, 2014
Here we examine major anatomical characteristics of Corydoras aff. paleatus (Jenyns, 1842) post-hatching development, in parallel with its neurobehavioral evolution.
Daniel Rodríguez-Ithurralde   +2 more
doaj   +1 more source

Influencia de la testa sobre la imbibición en endocarpios de Malpighia mexicana y Byrsonima crassifolia (Malpighiaceae)

open access: yesCuadernos de investigación UNED, 2018
La investigación se realizó en el Laboratorio de Semillas y de Botánica del Colegio de Postgraduados, con el objetivo de estudiar la imbibición de endocarpios de dos especies de nanche, sometidos a diferentes tratamientos para determinar la capacidad y ...
María de los Ángeles Maldonado Peralta   +5 more
doaj   +1 more source

Performance of non‐invasive prenatal testing in vanishing‐twin and multiple pregnancies: results of TRIDENT‐2 study

open access: yesUltrasound in Obstetrics &Gynecology, Volume 66, Issue 6, Page 738-746, December 2025.
ABSTRACT Objective To evaluate the performance of non‐invasive prenatal testing (NIPT) in vanishing‐twin and multiple pregnancies. Methods This study was conducted as part of the TRIDENT‐2 study, in which NIPT was offered as a first‐tier screening test to women with a multiple pregnancy or vanishing‐twin pregnancy between 1 June 2020 and 31 March 2023 ...
J. C. A. van Eekhout   +86 more
wiley   +1 more source

Evaluación de viabilidad de semillas de 17 especies tropicales altoandinas por la prueba de germinación y la prueba de tetrazolio

open access: yesCaldasia, 2018
La viabilidad denota el potencial que tiene una semilla para germinar, la cual está ligada al éxito o fracaso reproductivo de las poblaciones y de esta manera es una de las primeras variables a evaluar cuando se trabaja con semillas. Nuestro objetivo fue
Carolina Mancipe-Murillo   +2 more
doaj   +1 more source

Reproductive outcome after frozen embryo transfer with hormone replacement therapy according to luteal‐phase support protocol: systematic review and network meta‐analysis of randomized controlled trials

open access: yesUltrasound in Obstetrics &Gynecology, Volume 66, Issue 4, Page 422-432, October 2025.
ABSTRACT Objective To compare reproductive outcome between luteal‐phase support (LPS) protocols for frozen embryo transfer (FET) cycles with hormone replacement therapy (HRT). Methods A search was conducted in MEDLINE, Scopus, LILACS, EMBASE, Scielo.br, PROSPERO, CINAHL, PsycINFO, AMED, ClinicalTrials.gov, ICTRP, the Cochrane Library and conference ...
A. Etrusco   +11 more
wiley   +1 more source

Impact of endometrial thickness on reproductive outcome in fresh and frozen–thawed embryo transfer: systematic review and meta‐analysis

open access: yesUltrasound in Obstetrics &Gynecology, Volume 66, Issue 3, Page 271-281, September 2025.
ABSTRACT Objective To evaluate the impact of endometrial thickness on the reproductive outcomes of embryo transfer (ET) treatments using both cut‐off‐based meta‐analysis and meta‐analysis of proportions. Methods This was a systematic review and meta‐analysis of comparative studies (randomized controlled trials, cohort studies, case–control studies) and
F. Pérez‐Milán   +10 more
wiley   +1 more source

Dilemas bioéticos y jurídicos de la reproducción asistida en la sociedad actual en España

open access: yesRevista Latinoamericana de Bioética, 2018
Este trabajo analiza algunos problemas jurídicos y bioéticos que no están resueltos por la legislación aplicable a la reproducción asistida, uno de los campos más controvertidos de la medicina y la biotecnología humana.
Pablo Enguer Gosálbez   +1 more
doaj   +1 more source

Cliquepolitik: Multimodal online discourse coalitions on CRISPR‐Cas genome editing technology

open access: yesReview of Policy Research, Volume 42, Issue 1, Page 50-76, January 2025.
Abstract The influence of visualizations on decision‐making about controversial policy issues is increasingly recognized in the political and policy sciences. In this paper, we explore how combinations of visuals and text on Twitter (now X) lead to the formation of networks of actors sharing similar textual and visual framings about a policy issue in ...
Eduardo Rojas‐Padilla   +2 more
wiley   +1 more source

Variación ontogenética y dimorfismo sexual en Platalina genovensium (Chiroptera: Phyllostomidae)

open access: yesRevista Peruana de Biología, 2019
La variación por edad y el dimorfismo sexual en murciélagos son aspectos frecuentemente estudiados; sin embargo, esta información no está disponible para Platalina genovensium, una especie de murciélago amenazado que habita ecosistemas secos entre Perú y
Dennisse Ruelas
doaj   +1 more source

Embryo excision in Compositae, with implications for combating biodiversity loss

open access: yesApplications in Plant Sciences, Volume 12, Issue 5, September-October 2024.
Abstract Premise Embryo excision is an effective, under‐described means of promoting germination in the sunflower family and may help to ensure the survival of endangered taxa or lineages with limited seed availability. Methods and Results We describe and illustrate a detailed method of embryo excision used successfully to stimulate germination in a ...
Bruce G. Baldwin   +2 more
wiley   +1 more source

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