Results 21 to 30 of about 3,513 (168)

Estudos histológicos preliminares da microenxertia de plantas micropropagadas de macieira Preliminaries histological studies from the micrografting of tissue cultured apple

open access: yesRevista Brasileira de Fruticultura, 2003
A fruticultura moderna necessita implantar tecnologias que possibilitem a produção de frutos de alta qualidade, com custos cada vez menores. A micropropagação associada à microenxertia possibilita altas taxas de multiplicação de plantas com alta ...
Monita Fiori de Abreu   +3 more
doaj   +1 more source

Transvaginal ultrasound for detecting parametrial involvement in suspected deep pelvic endometriosis: updated meta‐analysis

open access: yesUltrasound in Obstetrics &Gynecology, Volume 67, Issue 1, Page 7-14, January 2026.
ABSTRACT Objective To perform an updated meta‐analysis evaluating the diagnostic performance of transvaginal ultrasound (TVS) for detecting lateral parametrial involvement in women with suspected deep pelvic endometriosis. Methods A literature search was performed in the Web of Science, PubMed and Scopus databases from January 2021 to May 2024 for ...
J. L. Alcázar   +7 more
wiley   +1 more source

Histologia prática

open access: yes, 2019
Histologia prática foi elaborado para auxiliar as atividades didáticas nas aulas de Histologia, Biologia estrutural dos tecidos, Biologia estrutural dos sistemas e outras afins, na Universidade de Brasília (UnB). Porém, pode ser utilizado por qualquer estudante interessado em sedimentar os conceitos histológicos.
Carla Medeiros Y Araujo   +2 more
openaire   +1 more source

Histological and Gene Expression Analyses of the Arm and Finger Macroglands of Two Hyloxalus Frogs (Dendrobatidae)

open access: yesMolecular Ecology, Volume 34, Issue 22, November 2025.
ABSTRACT Chemical communication during courtship is well documented in salamanders and newts, but its role in frogs is less understood. In some Neotropical poison frogs, males exhibit specialised mucous glands (SMGs) in the hand integument that express high levels of sodefrin precursor‐like factors (SPFs), an amphibian pheromone. Some species also show
Diana Abondano Almeida   +4 more
wiley   +1 more source

Morfologia das glândulas salivares de Glironia venusta Thomas, 1912 (Didelphimorphia)

open access: yesPesquisa Veterinária Brasileira, 2015
O objetivo deste trabalho foi descrever a morfologia das glândulas salivares de Glironia venusta. Foi utilizado um exemplar coletado no resgate de fauna da Usina Hidroeletrica Teles Pires. Este foi fixado com solução de formaldeído a 10%.
Bruna S. Vieira   +4 more
doaj   +1 more source

Impact of Pre‐Treatment Serum Ferritin on Response and Survival in Myelodysplastic Syndromes Treated With Azacytidine: A Multivariate Analysis

open access: yesCancer Medicine, Volume 14, Issue 15, August 2025.
Elevated serum ferritin levels before treatment with azacytidine are associated with lower response rates and shorter survival in patients with myelodysplastic syndromes. This study supports the early identification of transfusion‐related iron overload to improve treatment planning.
Gloria Moreno Carrasco   +8 more
wiley   +1 more source

Morfometria do coração e dos vasos da base e sua implicação no mergulho em Chelonia mydas

open access: yesPesquisa Veterinária Brasileira, 2013
Objetivou-se caracterizar a morfologia das câmaras cardíacas e das artérias aortas e pulmonares da espécie Chelonia mydas. Foram avaliados 11 espécimes de C. mydas mortas coletadas no litoral do estado do Rio Grande do Norte, Brasil.
Janine K.F.S. Braz   +3 more
doaj   +1 more source

Vitamin D deficiency induces erectile dysfunction: Role of superoxide and Slpi

open access: yesBritish Journal of Pharmacology, Volume 182, Issue 15, Page 3669-3687, August 2025.
Background and Purpose Epidemiological studies suggest a relationship between vitamin D deficiency and erectile dysfunction (ED). We hypothesized that vitamin D deficiency or vitamin D receptor (VDR) knockout causes ED and analysed the underlying molecular mechanisms.
Miguel A. Olivencia   +14 more
wiley   +1 more source

Morfologia, ultraestrutura e morfometria do tegumento da paca (Cuniculus paca Linnaeus, 1766) criada em cativeiro

open access: yesPesquisa Veterinária Brasileira, 2013
Considerando-se a falta de informações detalhadas sobre a morfologia da paca, sendo o segundo maior roedor da fauna brasileira, de excelente qualidade de carne e, dada a importância do tegumento comum, inclusive para o bom manejo em cativeiro, e até ...
José G.M.P. Isola   +3 more
doaj   +1 more source

Histologia do miocárdio normal e infartado

open access: yesBioSCIENCE, 2023
Introduction: Myocardial infarction is a pathology that presents high morbidity and mortality. It is the result of cardiomyocyte necrosis caused by oxygenation difficulties. Objective: The aim of this study was to review the histology of the myocardium and its histological changes when infarcted.
Mariana Araujo Pereira   +7 more
openaire   +1 more source

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